i-84 baker valley weather based variable speed limit ......baker valley atm operations november 2016...

I-84 Baker Valley Weather Based

Variable Speed Limit System

1

Galen McGill

Oregon DOT

August 1, 2017

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.

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

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.

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

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

19Overview | Walkthrough | Discussion

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

Audi Personal Signal Assistant

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

• 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

In Vehicle Signing

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Thank you.

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Questions?

Galen McGill

503.986.4486

Galen.E.McGill@odot.state.or.us