I-84 Baker Valley Weather Based Variable Speed Limit ......Baker Valley ATM Operations November 2016...
Transcript of I-84 Baker Valley Weather Based Variable Speed Limit ......Baker Valley ATM Operations November 2016...
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I-84 Baker Valley Weather Based
Variable Speed Limit System
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Galen McGill
Oregon DOT
August 1, 2017
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Baker Valley VSLSystem overview
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Signs and Messages
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Monitoring Equipment
Each RWIS location is comprised of a pavement sensor, air temperature/relative humidity sensor, traffic sensor, and a camera.
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ATM OverviewCongestion and weather responsive systems
operate simultaneously with slower speed conditions
taking priority.
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Weather Conditions
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Chain Requirements
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Baker Valley ATM OperationsNovember 2016 - April 2017
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SegmentOverride
Count
Weather
Reduction
Count
Hours with
Speed
Reduction
I-84 EB Baker (286.50-295.65) 56 106 551
I-84 EB Clover (277.47-286.50) 87 139 752
I-84 EB Medical (295.65-306.40) 62 149 577
I-84 WB Baker (295.42-285.00) 55 104 568
I-84 WB Clover (285.00-277.47) 91 150 775
I-84 WB Medical
(306.40-295.42) 61 115 561
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ATM Changes
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DSC/DST-111 Pavement Sensors
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55 mph Grip Rt Lane = 0.82 Grip Lt Lane = <0.75
Snow covers only one lane causing a
difference of pavement friction from one
lane to the next.
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Traffic Module
• ATM System averaged on ramp speeds with
mainline
• Lower average speeds caused speed
reduction on signs
Baker Valley Rest Area On Ramp
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Law Enforcement Coordination
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Law Enforcement
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OSP Trooper
Dispatcher
ODOT ATM
Provides Speed Limit Information
OIS ESB
OSP Mobile
OSP CAD
OSP ESB “BUS”
ODOT Endpoint
SPEEDLIMIT
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Vanguard VMS
Server
Detector Stations
OSP Data Warehouse
VSL Reporter/Dashboard
ODOT TOCS
View Records
For Court
Data Acquisition Component
(DAC)
SCAN
Other Dispatch Centers
CAD Integration
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Mt Hood Advisory Speed System
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Design Projects
• US 97 Central Oregon – Bend to Chiloquin
– 10 Segments
• I-84 Eastern Oregon – Pendleton to Hilgard
– 15 Segments
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Oregon
Connected
Vehicle Data
Portal
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Connected Ecosystem“anything that can be connected will be
connected” Forbes
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19Overview | Walkthrough | Discussion
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ATC Controller
DSRC Radio
MaxConnect
MaxTime
SAEJ2735
NTCIP
Central
MaxConnectServer
MaxView
HTTP/WS
CV Data Portal
External CVApplication
Server
HTTP
HTTP
Oregon DOT Traffic Signal Connected Vehicle Strategy
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Audi Personal Signal Assistant
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The Vision:
An automated transportation
portal that provides a platform for
sharing agency data with a
environment.
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Stakeholder
Interviews
Needs
Documentati
onWorkshops
/Meetings
System
Requirements
for Data Portal
Enhancements
A. Identify what data is
important to share in
the connected vehicle
(CV) environment
B. Better understand
OEM/ISP data needs to
prepare for widespread
adoption of
connected/automated
vehicles
C. Enhance the
accessibility and
usability of the Portal
Project Overview
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• Traffic Technology
Services
• Here
• Intelight
• Dealers1
• Kepler 51 Analytics
• DAT Solutions
• Connected Signals
• Inrix
• Waze
• Jaguar/Land Rover
• Intel
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Partners
We’ve learned
from the Private
Sector about
information needs
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• Traffic incidents
• Road closures
• Work zones
• Road weather
conditions
• Parking availability &
pricing
• Traffic signal status
• Geographic coordinates for
event start and end
• Time stamped
• Duration
• Lanes affected
• Direction of travel
• Traffic control change details
• APIs with defined data
structures (JSON, XML)
Key Data Needs Data Elements
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In Vehicle Signing
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