BUS SAFETY INVESTIGATION REPORT - OTSI...BUS SAFETY INVESTIGATION REPORT BUS DRIVER TRAINER FATALITY...
Transcript of BUS SAFETY INVESTIGATION REPORT - OTSI...BUS SAFETY INVESTIGATION REPORT BUS DRIVER TRAINER FATALITY...
BUS SAFETY INVESTIGATION REPORT BUS DRIVER TRAINER FATALITY
PRAIRIEWOOD NSW
07 JUNE 2018
Released under the provisions of Section 45C (2) of the Transport Administration Act 1988 and
Section 137 of the Passenger Transport Act 2014
Investigation Reference 04802
Published by: The Office of Transport Safety Investigations
Postal address: PO Box A2616, Sydney South, NSW 1235
Office location: Level 17, 201 Elizabeth Street, Sydney NSW 2000
Telephone: 02 9322 9200
Accident or incident notification: 1800 677 766
Facsimile: 02 9322 9299
E-mail: [email protected]
Internet: www.otsi.nsw.gov.au
This Report is Copyright©. In the interests of enhancing the value of the information
contained in this Report, its contents may be copied, downloaded, displayed, printed,
reproduced and distributed, but only in unaltered form (and retaining this notice).
However, copyright in the material contained in this Report which has been obtained
by the Office of Transport Safety Investigations from other agencies, private
individuals or organisations, belongs to those agencies, individuals or organisations.
Where the use of their material is sought, a direct approach will need to be made to
the owning agencies, individuals or organisations.
Subject to the provisions of the Copyright Act 1968, no other use may be made of
the material in this Report unless permission of the Office of Transport Safety
Investigations has been obtained.
THE OFFICE OF TRANSPORT SAFETY INVESTIGATIONS
The Office of Transport Safety Investigations (OTSI) is an independent NSW agency whose
purpose is to improve transport safety through the investigation of incidents and accidents in
the rail, bus and ferry industries. OTSI investigations are independent of regulatory,
operator or other external entities.
Established on 1 January 2004 by the Transport Administration Act 1988 (NSW), and
confirmed by amending legislation as an independent statutory office on 1 July 2005, OTSI
is responsible for determining the contributing factors of accidents and to make
recommendations for the implementation of remedial safety action to prevent recurrence.
Importantly, however, OTSI does not confine itself to the consideration of just those matters
that contributed to a particular accident; it also seeks to identify any transport safety matters
which, if left unaddressed, might contribute to other accidents.
OTSI’s investigations are conducted under powers conferred by the Transport Administration
Act 1988 (NSW) and Passenger Transport Act 2014 (NSW). Additionally, all OTSI
publications that are considered investigation reports are also conferred by these Acts.
OTSI also conducts rail investigations on behalf of the Australian Transport Safety Bureau
under the Transport Safety Investigation Act 2003 (Cwlth). OTSI investigators normally seek
to obtain information cooperatively when conducting an accident investigation. However,
where it is necessary to do so, OTSI investigators may exercise statutory powers to
interview persons, enter premises and examine and retain physical and documentary
evidence.
It is not within OTSI’s jurisdiction, nor an object of its investigations, to apportion blame or
determine liability. At all times, OTSI’s investigation reports strive to reflect our balanced
approach to the investigation, in a manner that properly explains what happened, and why,
in a fair and unbiased manner.
Once OTSI has completed an investigation, its report is provided to the NSW Minister for
Transport and Infrastructure for tabling in Parliament. The Minister is required to table the
report in both Houses of the NSW Parliament within seven days of receiving it. Following
tabling, the report is published on OTSI’s website at www.otsi.nsw.gov.au.
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CONTENTS
GLOSSARY 6
EXECUTIVE SUMMARY 8
PART 1 FACTUAL INFORMATION 9
Introduction 9
The Bus Operating Company 9
Transport for NSW 10
Roads and Maritime Services 10
Location of Accident 11
Environmental information 12
Bus MO5127 12
Driver Recruitment, Induction and Training 13
The Driver 14
The Accident 15
PART 2 ANALYSIS 21
Familiarity with Critical Bus Controls 21
Driver’s Cognitive Load 23
Preparation for new Bus Operating contract 25
Risk and Safety Management Systems 27
Roads and Maritime Services 29
Transport for NSW 29
PART 3 FINDINGS 30
PART 4 RECOMMENDATIONS 31
Roads and Maritime Services 31
Transit 31
Bus Operators/Industry 31
PART 5 NOTABLE ACTIONS TAKEN POST EVENT 32
PART 6 APPENDICES 33
Appendix 1: Sources, Submissions and Acknowledgements 33
Appendix 2: BOAS (TfNSW reference) 34
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GLOSSARY
Accident An unwanted outcome, which includes a collision or crash
Active Failure The acts or conditions precipitating the incident situation. They usually
involve the frontline staff, the consequences are often immediate and can
be prevented by design, training or operating systems
Bus Operating
Company
Also known as the bus Operator whom for the purposes of this report is
Transit (NSW) Liverpool Pty Ltd. The parent company being Transit
Systems Pty Ltd
BOM The Australian Bureau of Meteorology
CCTV Closed circuit television
Cognitive Overload A situation where there is too much information or too many tasks for an
individual resulting with inadequate processing and/or response
Driver Trainer Person who delivered bus driving training/induction
Driver Mentor Qualified bus drivers with experience who are considered by Transit
Systems to be role models for peer bus drivers. Provide guidance and
advice to other bus drivers
FCS Fairfield City Showground
Hand Brake Lever A lever that is used to apply the parking brake. The lever is moved in the
rearwards direction to apply the hand brake. When the lever is moved to
the forward direction the park brake is off or released. The hand brake is
typically operated with the drivers’ right hand
Human factors The scientific discipline concerned with the understanding of interactions
among humans and other elements of a system, and the profession that
applies theory, principles, data and methods to design in order to optimize
human well-being and overall system performance
Individual Action,
Error – Slip
A slip is skill-based, a failure in execution of an action, an attentional
problem in a familiar situation
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New Recruit Qualified Heavy Vehicle licence holders being inducted into Transit
Systems’ procedures and methodologies
RMS Roads and Maritime Services
Throttle Used by the bus driver to control engine power, also known as an
‘accelerator’
Transit Systems References the Transit Systems group of companies collectively including
Transit Systems Pty Ltd, Transit (NSW) Liverpool Pty Ltd, Transit Systems
West Pty Ltd and Transit (NSW) Services Pty Ltd
Transit Liverpool References Transit (NSW) Liverpool Pty Ltd, which has a NSW
Government contract for operating buses in Western Sydney known as
Region 3
Transit West References Transit Systems West Pty Ltd, which has a NSW Government
contract for operating buses in Western Sydney known as Region 6
Transit Services References Transit (NSW) Services Pty Ltd, which recruits, trains and
employs the Driver Trainers, Driver Mentors, New Recruits and other
employees that provide the services for the performance by Transit
Liverpool of the Region 3 contract and by Transit West of the Region 6
contract
Transmission Rotary
Selector
Also known as the ‘gear selector’. A round shaped switch that, when
rotated, will change the state of the drive transmission from Drive to
Neutral to Reverse. On a MAN Model A69 bus, this rotary selector is on
the right hand side of the drivers’ dashboard and typically operated by the
driver’s right hand
Stress A gap between the demands of a situation and an individual’s ability to
deal with that situation
Stressor An event or situation which induces stress
WHS Workplace health and safety
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EXECUTIVE SUMMARY
At approximately 0950hrs on Thursday 07 June 2018, a bus with registration number
MO5127 was being used for inducting drivers into Transit Systems processes at
Fairfield City Showground. This bus was involved in an accident that resulted in one
of the trainers being struck and fatally injured. The accident occurred whilst a new
recruit was driving the bus as part of an assessment manoeuvre in the parking lot
adjacent to Smithfield Road, Prairiewood.
Under the instruction of a number of trainers, the driver of the bus made some
unintended errors that resulted in the bus moving forward instead of reversing. A
trainer that was providing instruction from the kerb in front of the bus was struck and
fatally injured.
The trainer was employed by the Transit Systems subsidiary company known as
Transit Services. He had many years of experience working in the bus industry.
The driver was an experienced driver with prior bus driving history working for other
companies primarily on long haul interstate routes. The driver was medically unable
to attend any post-accident interview to give his account. The bus was fitted with on-
board CCTV which provided some of the evidence for this investigation.
The investigation found that even though Transit Systems was recruiting additional
drivers at an elevated rate, it followed a documented process for recruitment and
induction.
The investigation has made recommendations which can be found in Part 4 of this
report.
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PART 1 FACTUAL INFORMATION
Introduction
1.1 The accident occurred on the final day of Transit Systems’ bus driver training-
induction course which required newly recruited drivers to demonstrate their
competencies in controlling the bus through various low speed manoeuvres in
the forward and reverse directions.
1.2 Under the instruction of a number of trainers, the driver of the bus made some
unintended errors that resulted in the bus moving forward instead of moving in
reverse. One of the trainers, while providing instructions to the driver from the
kerb in front of the bus was struck and fatally injured.
The Bus Operating Company
1.3 The bus was being operated by Transit Liverpool at the time of the accident.
Transit Liverpool is a subsidiary company of an Australian-based multi-
national public transport company known as Transit Systems Pty Ltd.
1.4 At this time, Transit Liverpool had a NSW government contract for operating
buses in Western Sydney known as Region 3 which comprised of two bus
depots.
1.5 Also, at this time Transit Systems was mobilising for a new contract known as
Region 6, due to commence in July 2018 for which additional drivers were
required. Region 6 comprised of four bus depots.
1.6 Transit Liverpool had been accredited by Roads and Maritime Services (RMS)
to operate Long Distance, Tourist, Charter and Regular Passenger Services
by RMS on 19/07/2013 under the Passenger Transport Act 19901 for a
maximum of 250 buses. The Certificate of Accreditation number was 38743.
1.7 Transit Liverpool was certified by Bureau Veritas to AS/NSZ4801
Occupational Health and Safety Management Systems and AS/NZS 9001
(Quality Management Systems).
1 The Passenger Transport Act 1990 has been superseded by Passenger Transport Act 2014
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Transport for NSW
1.8 Transport for NSW (TfNSW) is responsible for the delivery of public transport
services awarded a Sydney Bus Service Contract (SBSC) in accordance with
NSW Government procurement policy through either competitive market
processes or direct negotiation.
1.9 TfNSW awarded Transit West a contract for Region 6 with an operational
commencement date of 1 July 2018.
1.10 Clause 35.3 of the SBSC stipulated that Transit Systems were required to
develop, implement, and maintain a Safety Management System (SMS).
1.11 Additionally, Clause 35.7 the contract required Transit West to comply with
certain WHS requirements. In particular, undertake assessment of risks and
risk control measures relating to the performance of the operation.
Roads and Maritime Services
1.12 At the time of the accident, RMS was the regulator for buses accredited under
the Passenger Transport Act 2014 to operate in NSW. Since this time, RMS
has combined with TfNSW although the regulatory function of RMS still exists.
1.13 Bus Operator Accreditation Scheme (BOAS) is an accreditation process that
has evolved since 1990 to include aspects of the RMS Bus Reform Process
and requirements under the Passenger Transport Act. Specifically this
included the need for the following key aspects:
SMS including risk management
driver health monitoring, drug and alcohol programs
improve quality and safety through an enhanced auditing program
enhance the safety culture of the NSW bus industry.
1.14 In March 2018, RMS audited Transit Liverpool’s compliance with BOAS in
March 2018, with no deficiencies identified.
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Location of Accident
1.15 The accident occurred in the south eastern parking lot adjacent to Fairfield
City Showground (FCS) which is accessible to the public off Smithfield Road
Prairiewood, see Figure 1.
1.16 This site was occasionally used by Transit Systems for training purposes and
was known internally to Transit Systems as the Fairfield Showground Driving
Skills Circuit. The particular driver skillsets evaluated at this site included the
low speed manoeuvring of a bus around commonly found suburban features
such as kerbing and median strips.
1.17 The circuit comprised of a series of turns and straights around various
features of the parking lot. This commenced with the bus being driven in the
forward direction, and finished with a reversing manoeuvre. There were a total
of 32 turns involved to complete this circuit. New recruits were evaluated on a
number of parameters including their ability to avoid the bus from contacting
any of the raised median strips, signposts, or kerbs.
Source: Google Maps, annotated by OTSI
Figure 1: Map showing the accident site at Prairiewood
1.18 The induction program showed that new recruits also attended this location on
day five of the induction course. Post incident interviews confirmed that all
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new recruits were introduced to the FCS circuit prior to the day of the
accident.
Environmental information
1.19 The weather was clear at the accident location on the morning of 07 June
2018. The Bureau of Meteorology recording a maximum temperature that day
of 19.6 degrees C and a wind speed maximum of 19 km/h from the ENE
direction.
1.20 The nearest weather station at Horsley Park measured 12 mm rain on the day
prior and 5 mm rain earlier on the day. Overnight rain had left the bitumen
surface slightly damp, however it was not raining at the time of the accident.
The weather was not determined to be a contributing factor to this accident.
Bus MO5127
1.21 MO5127’s chassis was designed and manufactured by MAN with a build date
of August 2010. The bus’ body was built on the MAN chassis by Volgren
Australia in August 2013. The bus was registered in NSW with a fleet number
of 1109.
1.22 The bus was owned, registered and operated by Transit Liverpool under a
NSW state government contract. Registration was current at the time of the
accident with an expiry date of 15 August 2018.
1.23 The bus had all its mandatory safety checks and there were no outstanding
maintenance items. In particular, its brakes were inspected on 20 April 2018
with a pass result recorded.
1.24 The bus had inbuilt closed circuit television (CCTV) with seven cameras
recording colour footage. Audio was also recorded from the driver’s seat
position. The CCTV system also recorded GPS position, road speed, heading
direction, date, and time.
1.25 The most recent HVIS (Heavy Vehicle Inspection Scheme) inspection was
completed on 23 January 2018 with no ‘Fail’ results recorded, no defects
recorded, and an overall ‘Passed’ result given. As a result of damage
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sustained during the accident, the bus was issued a defect notice on 7 June
2018.
1.26 Testing carried out on the bus by RMS and Police Crash Investigators
following this accident showed no defects were found that could have
contributed to the accident.
1.27 On the day of the accident, enroute to the FCS, the trainer whom was driving
the bus reported he felt the brake pedal response was firmer than usual to
operate. This led to the trainer conferring with another trainer whom was
asked to drive the bus and independently review this issue. This trainer drove
the bus and determined that the bus was suitable for use and there was no
need to get a mechanic to assess this issue.
Driver Recruitment, Induction and Training
1.28 Transit Systems has a documented process known as ‘Operations Instruction
R1001’ which describes the methods used to recruit, induct, and train new
bus drivers. R1001 outlines the methodology used to evaluate applications for
the role of bus driver including assessment of pre-requisites, experience,
qualifications, referees, and medical history.
1.29 Prior to this occurrence, Transit Systems was preparing for the Region 6
contract which meant the demand for additional bus drivers was higher than
usual. Transit Systems was recruiting additional bus drivers at the rate of
approximately four times higher than its usual rate.
1.30 The role of the trainers when conducting driver inductions at FCS was to
supervise and evaluate the performance of new recruits as they drove the bus
through the skills circuit. Trainers also gave directions to the driver via hand
signals and verbal instructions, if needed. As the parking lot was a public
road, the trainers were also required to be on the lookout for any members of
the public who might enter the area, in which case they would stop the bus,
for safety reasons, until the member of the public was moved out of the way.
1.31 Based upon information gathered during interviews with Transit Services
employees, the intent of the final day of the induction was to bring key driving
skillsets together and reaffirm the finer points of bus control. This included an
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understanding of situational awareness, while manoeuvring the bus at low
speed around traffic islands, kerbs, and raised median strips.
The Driver
1.32 The driver had been identified as having a valid heavy vehicle (Heavy Rigid)
driving licence as well as an Authorised Bus Driver qualification2. The licence
had a condition that spectacles or contacts were required while driving. In
court proceedings subsequent to the accident, the driver stated that he was
wearing contact lenses at the time of the accident. The driver stated on the
Transit Systems job application that he had 10 years of experience with some
interstate driving.
1.33 The driver was originally from Turkey. In his job application he said that
although he could communicate successfully in English, he did indicate that
‘an English course can be required’ (sic). The driver immigrated to Australia in
2013, therefore approximately half of his 10 years’ bus driving experience
would have been in jurisdictions outside of Australia.
1.34 The driver had accrued 7 demerit points for traffic infringements such as
exceeding the speed limit and disobeying traffic lights over the period
between 2015 and 2017. During the induction at Transit Systems, the driver
had been involved in an incident where a bus side mirror had collided with
another bus.
1.35 The driver successfully completed a pre-employment health assessment on 7
May 2017 as part of the Transit Systems recruitment process. In this
assessment it was noted that the visual acuity test identified the need for
distance vision and near vision glasses. The driver’s licence had included the
condition that spectacles or contacts were needed while driving. At the time of
the accident no spectacles were being worn. NSW Police were provided
information that the driver in compliance with his licence conditions at the time
of the accident.
2 Details obtained by OTSI from the Bus Operator as requested under terms of Passenger Transport Act 2014, provided by RMS.
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1.36 The driver had passed the company pre-employment hearing assessment
test.
1.37 The driver was taken to Liverpool Hospital immediately after the accident for
mandatory drug and alcohol testing. The tests provided negative results.
1.38 The driver was unable to attend a post-accident interview with OTSI due to
medical reasons. OTSI requested information from the driver via his medical
specialist about this incident. A written response was provided by the driver’s
medical specialist and was considered during the analysis of this report.
The Accident
1.39 There were two buses at the FCS site at the time of the accident, only one
bus was being used on this skills circuit. The other bus was not involved in
matters that led to the accident.
1.40 The accident occurred on the final day of a nine day training course described
in a Transit Systems document entitled ‘9 Day Training Course Induction
Training’. Prior to this day, the course comprised of classroom based
instruction, route awareness, driving on public roads, and, familiarisation with
the features and controls of various bus models utilised by Transit Systems.
Records indicate the driver received a vehicle familiarisation with each of
seven different bus types.
1.41 There were three trainers delivering the induction for 14 drivers using bus
MO5127. There were also eight experienced bus drivers working as mentors
providing on the job support for the new recruits. Additionally, the mentors
provided guidance and advice to all drivers in Transit Systems to support the
formal induction.
1.42 New recruits awaiting their turn to drive the skills circuit, were given the choice
to travel on-board the bus, or to stand on the kerb nearby.
1.43 At the time of the accident, there was one mentor driver on-board the bus,
one new recruit driving, and one other new recruit on-board the bus observing
and next in line to drive.
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1.44 The bus’ inbuilt CCTV showed the driver involved in the accident had been
aboard bus MO5127 observing the previous driver successfully complete the
skills circuit on his first attempt that day.
1.45 When the driver involved in the accident took the driving position on the bus,
he made adjustments to the seat height, mirrors, and, he fastened the seat
belt.
1.46 The driver then commenced driving through the skills circuit, however at Turn
4 of the circuit (Refer to Figure 2 below), he turned the bus left and
approached on a path that may have resulted in the rear left hand side wheel
driving up on a raised median strip.
Source: Transit Systems, annotated by OTSI
Figure 2: Diagram showing Driving Skills Circuit
1.47 At this time, one of the trainers recognised that the bus was on a path to
mount the median strip (Refer to Figure 3). The trainer stepped off the kerb,
walked towards the front of the bus and gave hand signals to the driver to
stop the bus. The driver observed the hand signals and brought the bus to a
halt. Another trainer approached the driver’s side window and gave verbal
instructions to reverse and start the sequence again.
Turn 4
Turn 5
Turn 3
Turn 1
Turn 2
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1.48 The driver then selected reverse which activated the reversing buzzer, the
foot brake was released and the bus moved in the reverse direction away
from the median strip. Then, the driver brought the bus to a stop with the foot
brake, selected forward, the reversing buzzer now deactivated, the foot brake
released and the bus moved in the forward direction around the parking lot to
re-join the circuit at Turn 2.
Source: OTSI
Figure 3: Diagram showing rear left wheel proximity to median strip
1.49 The driver’s 2nd attempt through the skills circuit started at Turn 2 and
successfully negotiated Turns 3 and 4. As the bus approached Turn 5, the
front left hand side wheel tracked on a path where it would have driven up and
mounted the kerb (Refer to Figure 4).
1.50 Then the following sequence of events occurred in a short space of time. The
timestamp at the beginning of the following paragraphs is in 24hr time.
1.51 At 9:49:34, Trainer 1 who was standing near the ‘No Stopping’ sign walked
along the kerb to a position in front of the bus and was providing the driver
hand signals, most likely indicating to rotate the transmission selector to the
Turn 2
Turn 3
Turn 4
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Reverse position. At this time, the transmission selector remained in the Drive
position.
1.52 At 9:49:44, the driver brought the bus to a halt to avoid mounting the kerb.
The mentor on-board the bus was positioned behind and to the left of the
driver. This mentor was recorded as saying ‘reverse’ to the driver.
1.53 At 9:49:46, the driver selected Reverse position.
1.54 At 9:49:48, this mentor gave an additional verbal instruction to the driver to
‘apply hand brake’. The driver applied the hand brake with his right hand.
1.55 At 9:49:49, by this time the reversing buzzer sounded indicating reverse was
selected and engaged.
1.56 At 9:49:50, the driver straightened the steering wheel by turning it in the
anticlockwise direction.
Source: OTSI
Figure 4: Position of Trainers just prior to the accident
1.57 At 9:49:54, the driver changed the transmission selector from the Reverse
position to the Forward position which deactivated the reversing buzzer. At
this time the mentor says ‘reverse’ again.
1.58 At 9:49:56, the driver released the hand brake.
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1.59 At 9:49:59, the driver applied the hand brake and the mentor says ‘reverse,
reverse’.
1.60 At 9:50:01, Trainer 2 has moved to the driver’s side window and is heard
giving verbal instructions,
‘put your foot on the brake to put (sic) reverse, otherwise it won’t go
into reverse’.
1.61 At 9:50:05, the engine can be heard on the audio recording as having
increased in revolutions per minute (engine speed) which indicated the
accelerator was being pressed.
1.62 At 9:50:06, the driver released the hand brake with his right hand and the next
action observed was when the bus propelled forward, mounting the kerb
towards Trainer 1. The trainer attempted to move out of the way, however as
the bus progressed rapidly forward. The trainer was unable to escape and
was struck by the bus.
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1.63 The incident location is shown in Figure 5.
.
Source: OTSI
Figure 5: Yellow arrow shows the approximate path taken
1.64 The bus continued in the forward Easterly direction at an approximately 50
degree angle to the kerb line until it came to rest approximately 18 metres to
from the point of mounting the kerb.
1.65 The other staff responded to the accident however the trainer had received
fatal injuries during the collision.
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PART 2 ANALYSIS
2.1 The investigation focussed principally on the factors that contributed to the
accident and associated human factors issues.
2.2 Accidents are mostly the result of a combination of organisational factors,
local workplace factors, individual actions, and absent or failed defences3. In
this accident there were several factors that fell under the above mentioned
categories, these include:
Familiarity with critical bus controls
Driver’s Cognitive Load
Preparation for new bus operating contract
Risk and Safety Management Systems.
Familiarity with Critical Bus Controls
2.3 The driver’s dashboard layout of this model of MAN bus was configured with
the transmission selector and the hand brake lever both located on the right
hand side of the console (Refer to Figure 6). This configuration would require
the driver to use the right hand to operate both of these controls.
This configuration is similar but not the same as other buses, some buses in
this fleet have the transmission selector on the left hand side of the console.
2.4 Experienced bus drivers would be familiar with the function and position of
these controls. New recruits were given an initial familiarity with the controls
and over time they are expected to improve their working knowledge of the
controls.
2.5 While Transit Systems training program includes detail about the function of
transmission selectors, the specific training record sheet includes many other
3 Reason, J (2004). Managing the Risks of Organizational Accidents. Burlington USA. Ashgate Publishing Company.
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aspects of bus controls, however, the sheet does not include confirmation that
each driver has been deemed competent in this critical detail.
2.6 The driver’s experience was mostly with interstate driving, therefore it is
reasonable to expect that it would take some time for the driver to gain
competency and cater for the different driving environment. Interstate bus
driving has some key differences to suburban route driving in that the need to
manoeuvre the bus at low speeds is more prevalent in suburban route driving.
Other significant differences noted are the higher frequency of driver control
inputs which includes the operation of the hand brake and gear selection from
forward to reverse and back again.
2.7 In other transport domains such as the airline industry where the
consequences of an accident can be higher, it is common practice to certify
flight crew to operate a particular model of aircraft. This is a method of
ensuring operators achieved and maintained adequate levels of competence
with critical controls. The level of familiarisation with controls is particularly
relevant when the operator is challenged with competing cognitive tasks such
as just prior to this accident.
Source: OTSI
Figure 6: Transmission Selector & Hand Brake Lever
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2.8 On the day of the accident the bus model used was a MAN A69. Records
show that the driver had been given a familiarisation session on a MAN bus
prior to the accident. Transit Systems subsequently presented evidence to
support the driver had previously driven the MAN bus, however this evidence
was inconclusive.
2.9 Upon observing the CCTV recording of the driver’s activity during the
sequence of the accident, the driver appeared to be uncertain of the position
of the transmission selector prior to commencing the drive around the skills
circuit. This was confirmed when the on-board mentor pointed to the
transmission selector and verbally instructed the driver to select ‘D’ for drive.
Once the driver was reminded where the transmission selector was, the
appropriate transmission selection was made and the driver demonstrated his
ability to drive in an environment where cognitive stimuli4 were relatively low.
Driver’s Cognitive Load
2.10 There are various human factors models and studies such as that by
Wickens5 that outlines how an individual’s Short-Term sensory store has finite
capacity and if overwhelmed by stimuli, attention resources can be depleted
and poor responses and/or slips in attention could result.
4 Refer to Wickens & Flach model in Figure 7. 5 Wickens, C.D., Engineering Psychology and Human Performance, Harper Collins, New York, 1992.
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Source: Wickens
Figure 7: Wickens & Flach - Human Factors Information Processing
2.11 Wickens’ Model of information processing can assist with the analysis of this
accident and help us to explain the driver’s observable unintended errors in
the moments prior to the accident.
2.12 As described in the occurrence during the minutes before the accident, the
driver was required to process multiple stimuli in quick succession:
The driver was given instructions in English from the trainer outside the
drivers’ window (visual and verbal from the right hand side of the bus);
The driver was given additional verbal instructions in English from the
mentor inside the bus on the left hand side of the driver;
The driver was given hand signals from another trainer (the deceased)
standing in front of the bus.
2.13 It is likely the driver was in a heightened state of stress due to a number of
factors including making an error in the skills course, and was required to
make a response to rectify the path of the bus in order to continue with the
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remainder of the skills course. In this situation, it is possible his cognitive
processing ability was in overload, and the driver made an unintended
acceleration6 error.
2.14 There have been many global studies into accidents such as this that are
termed Unintended Acceleration (UA) accidents. Many of these studies were
relating to drivers mistaking the brake pedal with the accelerator pedal. In this
accident, the driver made three key errors that led to the UA. They are the
selection of drive instead of reverse, the application of the accelerator instead
of the foot brake, and lastly the release of the park brake instead of selecting
reverse. These errors in combination, most likely contributed to driving the bus
rapidly in the forward direction.
2.15 After reviewing Transit Liverpool’s recruitment documentation, it became
evident that the driver struggled with the English language. This evidence
cited how the driver could speak and understand English at a very basic level.
It is possible that the driver’s limited ability to speak and comprehend English
added to the required mental workload to process the instructions being given
to him by the trainers and the mentor, leaving little attention resources to
make the correct response to reverse the bus.
Preparation for new Bus Operating contract
2.16 Transit Systems followed a standard recruitment process for new bus drivers.
This process incorporated documented methods for screening new applicants
and records kept that included application forms, qualifications, prior work
experience, and referee checks. Risk was mitigated by the recruitment of
qualified heavy vehicle licence holders with commensurate experience. That
is, Transit Systems did not recruit unqualified drivers. This was an induction
course, not a driving licence course. The purpose of the induction course was
to take qualified bus drivers with relevant experience, and familiarise them
with the various bus configurations, routes, behaviours, and performance
expectations of Transit Systems.
6 Frontiers in Psychology, Original Research Article published 25 Nov 2010, Cars gone wild: the major contributor to unintended acceleration in automobiles in pedal error, Richard A. Schmidt and Douglas E. Young.
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2.17 Similarly, Transit Liverpool followed a standard process for inducting newly
recruited drivers and training them in the systems and processes deployed at
Transit Systems. Whilst the bus operator was not a Registered Training
Organisation, a standardised method was followed with various bus
configurations, records kept for each bus driver as they progressed through
the induction course.
2.18 The trainers had training qualifications recognised by Transit Systems and
additionally held considerable experience in bus driving and bus operations.
Bus driver training had been conducting at FCS over many years for
approximately 2,000 runs at this skills circuit with no reported prior incidents.
2.19 A key test often used in human factors is a substitution test. This test may
consider the performance of another similarly qualified individual in the same
situation and assesses whether or not there would be differing outcomes. In
this case, many other similarly qualified new recruits had driven the skills
course successfully.
2.20 At the time of the accident, the bus operating company was recruiting drivers
at approximately four times its usual intake rate. This had the potential to put
the trainers under greater stress than usual.
2.21 The induction course comprises of different streams based on bus driving
experience. One stream was for experienced bus drivers, and another stream
was for new heavy vehicle licence holders. Among the differences in these
streams was the detailed exposure to the different bus models. The
experienced stream were given ‘dash-only’ familiarisation of six models of bus
(including MAN), however the new heavy vehicle licence holders were given
additional time undertaking driver training with each of the same six models of
bus. Records kept by Transit Systems show the driver at the time of this
accident had been given ‘dash only’ familiarisation with all other models of bus
except for the MAN model. It is possible that the driver had driven the MAN
bus previously, however there were no conclusive records presented to
confirm this.
2.22 The driver was initially placed in the experienced-drivers’ induction course due
to having 10 years of prior bus driving experience. Early in this stream, the
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trainers acknowledged this driver’s prior driving experience. However due to
the driver’s ability and competence in the English language, the driver was
placed in the basic induction stream and given additional attention with
language and driving skills.
2.23 Records kept through this development showed that at the commencement of
the induction course, the driver’s performance was rated as poor, then
reassessed as fair, then towards the end, just prior to the accident,
performance was recorded as good. In some other instances, other new
recruits did fail to progress to the driving phase which indicates Transit
Systems were exercising due diligence and not just passing all new recruits.
2.24 The selection criteria for new drivers included the need for relevant
experience and qualifications. Referee checks were made to confirm the
experience of the driver.
2.25 The induction exercise at FCS on the day of the accident was consistent with
similar exercises conducted over many years at this site. The methods used
were realistic and gave drivers exposure to the handling of a bus during slow
speed manoeuvring. At times the pressure of numerous people talking or
making announcements around the bus driver are also realistic, the task for
the bus driver is to remain calm and perform duties in a safe and reliable
manner.
Risk and Safety Management Systems
2.26 Contemporary risk management practice is to assess risk and adequately
implement and document controls, which is at the core of an SMS.
2.27 The bus industry in NSW is required by a number of regulations and
guidelines, including BOAS, to use risk management techniques. This needs
to be regarded as a live process and implemented in day-to-day operations.
The requirements encompass the need to conduct and document risk
assessments and this should extend to the management of safety of the driver
induction program, such as that conducted at FCS. Transit Systems followed
a process documented in their ‘Business Management System (BMS)’. The
BMS document makes reference to mitigating risk, however Transit Systems
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did not document the hazards and risks for the skills testing at sites such as
FCS.
2.28 The specific requirements of clause 35.7 of the SBSC require the Operator to
undertake an assessment of the work, health and safety risks associated with
the performance of the operator activities and implement control measures to
eliminate or minimise such risks. Compliance with the full requirements of
clause 35.7 were not evident in the information provided during this
investigation.
2.29 The deceased trainer was an experienced bus driver who was described by
his peers as passionate for sharing his skills and training others. His
experience spanned five years with Transit Systems, two years as a driver,
and one year as a mentor. He had completed all training to be an
instructor/trainer on 18 October 2017.
2.30 Just prior to the accident, the trainer was standing in a position on the kerb
adjacent to the ‘No Stopping’ sign. This was considered a safe place during
driver assessment and usual practice by Transit Systems at that time.
2.31 Transit Systems issued documentation to their staff on the hazards of
person/vehicle interaction (SWP003). The CCTV footage indicated the
trainers interacted with the driver of the bus whilst it was in motion. The
trainers interacted with the bus driver of an operating bus, not fully
acknowledging the risk and danger this represented.
2.32 The trainer would not have been expecting the driver to release the hand
brake with the transmission in forward. It was likely he expected the bus move
in the reverse direction. This is supported by the CCTV footage which showed
the trainer pointing to the transmission rotary selector and giving hand signals
to rotate towards the reverse setting.
2.33 When the bus commenced moving forward, the trainer attempted to move out
of the way, however the bus accelerated too rapidly for him to avoid the
impact.
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Roads and Maritime Services
2.34 RMS is responsible for accrediting bus operators and auditing against the
defined BOAS (refer to Appendix 2) criteria. This criteria includes the need for
a Safety Management System. RMS has a published document entitled
‘Safety Management System (SMS) Guidelines for Bus and Coach Operators
in NSW’. Whilst Transit Systems held accreditation to AS4801, the system in
place did not identify higher risk business activities such as those present
during skills circuit testing at FCS. These higher risk activities should be either
eliminated or mitigated to acceptable lower levels of risk.
Transport for NSW
2.35 TfNSW awarded the SBSC to Transit Systems. Clause 35.7 of this contract
required risk assessments and risk control measures relating to the
performance of the operation. There was insufficient evidence found that
Transit Systems met the requirements of clause 35.7 in relation to skills circuit
evaluation at FCS.
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PART 3 FINDINGS
3.1 RMS and NSW Police conducted post accident inspections of the bus. These
agencies advised the bus MO5127 was roadworthy at the time of the
accident.
3.2 The driver’s level of familiarity with the use of the transmission selector and
park brake on the MAN A69 was not sufficient to demonstrate competence in
a high workload situation.
3.3 The Transit Systems’ records were inconclusive in confirming the driver had
previously driven the type of bus (MAN A69) involved in the accident.
3.4 The trainers and mentor were giving verbal and non-verbal instructions to the
driver moments before the accident, possibly placing additional stressors on
the driver which likely depleted his attention resources.
3.5 The driver made an unintended acceleration error.
3.6 RMS had conducted BOAS audits with Transit Systems with no deficiencies
found. The Transit Systems risk register (Hazard and Environmental
Identification Risk Control Status register) did not include hazards associated
with skills testing such as that at FCS.
3.7 Transit Systems held the correct certification to operate buses and provide
induction training for new recruits. The training records, such as the
dashboard familiarity form, did not included details about the operation of the
transmission selector.
3.8 The trainers were qualified for the role undertaken during the circuit training.
There were no reported significant accidents from circuit training prior to this
accident.
3.9 The trainers interacted with an operating bus at FCS in a manner that placed
them in dangerous positions.
3.10 The deceased trainer was experienced in the bus industry. At the time of the
accident, he was standing in a location on the kerb that allowed clear visibility
between the bus mirror and the ‘No Stopping’ sign. For many years, trainers
stood at this position without any reported accidents.
3.11 Transit Systems did not demonstrate they had met the full WHS requirements
of clause 35.7 of the SBSC.
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PART 4 RECOMMENDATIONS
Roads and Maritime Services
RMS to review its approach during BOAS audits to ensure that the Annual
Self Assessment Report and the Independent Audit process incorporate all
aspects of a bus operator’s business into the SMS. This review should identify
any associated risks and hazards and develop procedures to eliminate or
mitigate those risks. The review should focus on the following areas:
• the bus operator’s key operational tasks/training conducted on a designated
or planned route offsite from their normal place of business
• the need to review and update the SMS when any significant changes occur
within the operator’s business.
Transit Systems
4.1 Transit Systems to review the induction/training system including records kept
to ensure the system adequately captures the competence of their drivers in
all aspects of bus control. For example, the training record should include the
assessment of competency in the use of the transmission selector.
4.2 Transit Systems to conduct formal risk assessments to cover activities such
as skills circuit evaluations at sites like FCS including documented risk
controls. Hazard and Environmental Identification Risk Control Status register
updated with learnings from this accident.
Bus Operators/Industry
4.3 Bus operators to conduct formal risk assessments to cover activities such as
skills circuit evaluations at sites like FCS including documented risk controls.
4.4 Bus operators to conduct formal risk assessments when mobilising for new
contracts. Bus operators to manage this change process with a focus on risk
identification and mitigation.
4.5 Bus operators to review training/induction methodologies to minimise the
opportunity for excessive driver workload.
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4.6 Bus operators consider the need for competency based assessments to
confirm each driver has (and retains) competencies for each type of bus they
are required to operate.
PART 5 NOTABLE ACTIONS TAKEN POST EVENT
5.1 Transit Systems reiterated to all relevant staff about the importance of being
vigilant to the hazards of working around buses.
5.2 Transit Systems stopped skills circuit testing at FCS.
5.3 FCC has conducted a Job Safety & Environment Analysis for Trainer
Conducting Bus Driving Training Activity, JSEA #089. This document requires
the trainer to be inside the bus while observing or training or assessing the
driver.
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PART 6 APPENDICES
Appendix 1: Sources, Submissions and Acknowledgements
Submissions
The Chief Investigator forwarded a copy of the Draft Report to the Directly Involved
Parties (DIPs) to provide them with the opportunity to contribute to the compilation of
the Final Report by verifying the factual information, scrutinising the analysis,
findings and recommendations, and to submit recommendations for amendments to
the Draft Report that they believed would enhance the accuracy, logic, integrity and
resilience of the Investigation Report. The following DIPs were invited to make
submissions on the Draft Report:
Transport for NSW
Roads and Maritime Services
NSW Police Service
The driver at the time of the accident
Transit Systems
Fairfield City Council
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Appendix 2: BOAS (TfNSW reference)
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