Galway a Medieval City with a traffic congestion problem 4,189 per day – BEST POSSIBLE ? ... •...
Transcript of Galway a Medieval City with a traffic congestion problem 4,189 per day – BEST POSSIBLE ? ... •...
Galway – a Medieval City with a traffic congestion problem
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3rd February 2015 Peter Butler B.Eng. MBA
What is the “GCTP” about ?
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Galway City Transport Project
How (NOT) credible is the data?
1. Survey drivers crossing the bridges – NOT DONE
2. Survey employers & schools – NOT DONE
3. Analyse Traffic Count data – DONE – but does not include where cars are coming from/ going to.
4. Analyse Household Survey (POWSCAR) data – DONE - but does not include data on how 35,000 children/ teens get to/ from School/ College.
5. Analyse SATNAV data - DONE - but only 10% of cars (mostly tourists) have satnavs and they don’t use it to get to/from work or school.
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GIGO
The bypass - relative to schools.....
NUIG + GMIT 22,000 Primary + Secondary SCHOOLS 13,400
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Original Bypass
Pink Route
Household Surveys (POWSCAR) shows only 3% of traffic need to bypass the City
5%
20%
18%
22%
20%
7%
3% 5% 3%
5%
5%
7%
20% 22%
20%
18%
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Dublin to Clifden 295Km (3:26)
77,200 CROSS THE CORRIB in
2019
35% cross river, but only 3% want to bypass it, that’s not 10% want to bypass the city.
3% bypass - converted into cars
3,385
6,304
6,303
6,536
12,661
9,697
6,304
3,385
6,303
6,536
12,661
9,697
44,886 x 3% = 1,346 per day each way = 1,346 x 2 = 2,692 crossings out of 77,200 crossings each day.
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M50 Bypass (6 lanes) AADT = 133,374 per day (2015) Bray Bypass (6/4 lanes) AADT = 66,238 per day (2015) Athlone Bypass (4 lanes) AADT = 32,038 per day (2015) Limerick Bypass (4 lanes) AADT = 15,260 per day (2013) LOSS making Waterford Bypass (4 lanes) AADT = 9,029 per day (2013) LOSS making Proposed Galway Bypass (4 lanes) = 2,692 per day (HUGE LOSSES !!!)
FACT #1 – the numbers don’t justify a bypass
7 Capital Plan 4 Lane Capacity = 40,000 per day !
Diversion figures claimed for bypass
Do Minimum 2019 Journeys
(both directions)
AADT Figure
Blue/Pink Route 2019
(both directions)
AADT Figure
Reduction as result of New Bypass AADT
Figure
Reduction
Quincentennial Bridge
35,000 28,600 6,400 1 in 5 ?
Salmon Weir Bridge
15,100 12,700 2,400 1in 5 ?
O’Brien’s Bridge 7,900 6,600 1,300 1 in 6 ?
Wolfe Tone Bridge
19,200 16,700 2,500 1 in 7 ?
77,200 CROSS THE
CORRIB
64,600 12,600 ???
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Of 35% who cross the Corrib, half of them will use the bypass ? – NO WAY
Salmon Weir
Wolfe Tone
O’Brien
Quincentennial
Waterford versus Galway
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Waterford Galway
Bypass Traffic 9,000 √ Bypass Traffic 1,300 √ Diversion Traffic 900, not 5,500 X Diversion Traffic 2,500, not 11,300 X
Journey time versus journey length.
8.2Km @ 40Km/hr = 12.4 mins
9.0Km @ 85Km/hr = 6.4 mins
1.7Km @ 40Km/hr = 2.5 mins 13.0Km 12.4 mins
2.3Km @ 40Km/hr = 3.5 mins
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Morning traffic – the bottlenecks
Journey: Oranmore (Maldron) to Knocknacarra (Cappagh Road) + Knocknacarra (Cappagh Road) to Parkmore Industrial Estate
16 Km/hr
19 Km/hr
17 Km/hr
September 2015 (Weekdays) – NUIG, GMIT and Schools open Start 07:00 07:20 07:40 08:00 08:20 08:40 09:00 09:20 10:00 12:00 14:00 16:00 Km/hr 46 38 35 21 27 27 36 42 41 41 42 41
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August 2015 (Weekdays) – NUIG, GMIT & Schools closed Start 07:00 07:20 07:40 08:00 08:20 08:40 09:00 09:20 10:00 12:00 14:00 16:00 Km/hr 46 42 40 39 36 39 40 42 41 42 41 41
NUIG + GMIT + Schools 25,400
Evening Traffic – different bottlenecks
September 2015 (Weekdays) – Schools open Start 16:00 16:30 17:00 17:30 18:00 18:30 19:00 20:00 21:00 22:00 Km/hr 40 36 28 25 22 31 38 41 42 44
15 Km/hr
22 Km/hr
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Through Traffic 5pm-7pm
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33%
75-85%
Traffic Lights
– 35 seconds for Sean
Mulvoy Road.
- 35 seconds for Bothar na dTreabh !!!.
Salmon Weir Bridge Westbound (4pm-7pm)
3,109 cars/ 2 = 1,555 cars
07:00-08:00 1,011 08:00-09:00 1,589
16:00-17:00 1,289 17:00-18:00 1,016 18:00-19:00 804
1,300 + 1,555 = 2,855
Salmon Weir Bridge Eastbound (7am-9am)
2,600 cars/ 2 = 1,300 cars
Quincentennial Bridge
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Salmon Weir Bridge Eastbound (7am-9am) 704 cars / 2 = 352 cars
Salmon Weir Bridge Westbound (4pm-7pm) 1,963 cars / 2 = 982 cars
Salmon Weir Bridge
2,855 + 352 + 982 = 4,189
07:00-08:00 176 08:00-09:00 528
16:00-17:00 1,289 17:00-18:00 1,016 18:00-19:00 804
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O’Brien’s Bridge
07:00-08:00 105 08:00-09:00 544
16:00-17:00 133 17:00-18:00 170 18:00-19:00 143
4,189 + 64 + 44 = 4,297
O’Brien’s Bridge Eastbound (7am-9am) 649 cars / 10 = 64 cars
O’Brien’s Bridge Westbound (4pm-7pm) 446 cars / 10 = 44 cars
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Wolfe Tone Bridge Eastbound (7am-9am)
1,509 cars / 10 = 150 cars
Wolfe Tone Bridge Westbound (4pm-7pm)
1,471 cars / 10 = 147 cars
07:00-08:00 496 08:00-09:00 1,103
16:00-17:00 496 17:00-18:00 427 18:00-19:00 551
Wolfe Tone Bridge
4,297 + 150 +147 = 4,594 18
M50 Bypass (6 lanes) AADT = 133,374 per day (2015) Bray Bypass (6/4 lanes) AADT = 66,238 per day (2015) Athlone Bypass (4 lanes) AADT = 32,038 per day (2015) Limerick Bypass (4 lanes) AADT = 15,260 per day (2013) LOSS making Waterford Bypass (4 lanes) AADT = 9,029 per day (2013) LOSS making -Diversion rates claimed for bypass = 12,600 per day – NO WAY -Diversion rates based on 3% bypass = 2,692 per day – WORST POSSIBLE -If you assume 50% diversion on Quincentennial & Salmon Weir Bridge. = 4,189 per day – BEST POSSIBLE ? -If you assume additional 10% diversion on two other bridges. = 4,594 per day - UNLIKELY !
FACT #2 – as “relief road”, numbers are wrong
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Weekdays, September, all 08:10 Start.
Oranmore (Maldron) Oranmore (Maldron) Oranmore (Maldron)
Quincentennial Bridge Salmon Weir Bridge Wolfe Tone Bridge
10.5 Km 10.9 Km 9.8 Km
38 Mins 50 Mins 49 Mins
16 Km/hr 13 Km/hr 12 Km/hr
It’s an Axial problem, not a Radial one!
16 Km/hr
13 Km/hr
12 Km/hr
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Public Buses – a success story – why ?
• Route 409
• Eyre Square to GMIT to Doughiska to Parkmore.
• 1 Million Passengers pa
(2,700 cars/ day).
• Every 15 minutes.
• Successful because of Dublin Road bus lanes .
Shared car pool lane would also work
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Parkmore Knocknacarra
Peak evening traffic(4pm-7pm). 1,100 cars per hour (550/ lane). Average speed 20Km/hr 1.05 People/ Car, so number of People transported = 1,100 x 1.05 = 1,155 People.
Parkmore Knocknacarra
Lane 1 (Cars): 550 cars x 1.00 People/ Car = 550 People @ Average speed 20 Km/hr Lane 2 (Buses + Cars with 2 Occupants only). 6 buses x 20 people/ bus = 120 people. 250 cars x 2.00 People/ Car = 500 People. 256 vehicles = average speed of 40 Km/hr.
Quincentennial Bridge
Quincentennial Bridge
550 @20m/hr
550 @20m/hr
550 @20m/hr
620 @40m/hr
Traffic 5pm-7pm
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33%
75-85%
As would changing light timings during
peak traffic hours…..
“Total capital costs, including Rapid Transport Corridor and public transport fleet is €209 Million (Bus) or € 788 Million (Rail) and would yield a positive return on investment ”
“The East-West Rapid Transport Corridor, supported by an Enhanced Bus Network and Park and Ride, would increase public transport mode share from 6% to 46%”
Galway Public Transport Feasibility Study 2009
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The Galway of the future
Live and Work Live and Work 25
Digital Hub
Ardaun
“Investment will be focussed on addressing bottlenecks ...
.. and the needs of industry.” - Minister Pascal O’Donoghue,
Galway, 2015
Some FALSE Myths
1. The Original Outer Bypass was the right solution, it should have been forced through – NO.
2. Investment in Public Transport depends on first constructing a bypass – NO.
3. Any new road must be from M6 to R336 – NO.
4. Any and all public money spent in Galway building any bypass is good for Galway – NO.
5. The new bypass can be pushed through An Bord Pleanala/ EU Commission – NO.
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So what is “GCTP” about ?
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Galway City Transport Project
If you have € ½ Billion to spend.....
Waiting Lists/ Accident & Emergency
New Parks & Playgrounds Homelessness
New Homes
…..
What are the solutions ?
SHORT-TERM (< 1 year) 1. Bus lanes from Clybaun Hotel to Clayton Hotel open to car poolers.
Reduce competing lights (Sean Mulvoy Rd, etc.) at peak times. RH turn at Newcastle Road ?. Second/ third entrance at Parkmore.
2. Bus services (every 10 mins at peak times) across Quincentennial bridge from Salthill & Knocknacarra to Ballybrit & Parkmore.
MEDIUM –TERM (< 2 years)
1. Public bus services (circular, flexible routes) in place for City schools.
2. Widen Ballybrit Crescent to two lanes to get people in/ out of Parkmore Industrial Estate. Widen N7 from Bothar na dTreabh to Parkmore to two lanes. Widen Dublin Road to include an outgoing bus/ car pool lane from the G Hotel to Galway Clinic.
3. Rapid Bus Service in Galway or Rapid Rail Service (e.g. GLUAS).
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Summary
Traffic congestion is caused by the lack of dedicated public bus
services to the Schools in the City.
€ ½ Billion would be wasted diverting only 4,200 of the 77,200
journeys each day. Go raibh maith agat/ Thank you
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