2011 National ITS Update - 2 25-11 public version

Ray Murphy, US DOT - FHWA Office of Technical Services – Resource Center

National ITS Update

National ITS Program Update…

Moving Towards Implementation of Wireless Connectivity in

Surface Transportation

Overview

ITS Update Five Year ITS Strategic Research Plan (2010 – 2014) Major ITS Initiatives

Applications for the Environment: Real-Time Information Synthesis (AERIS) The Clarus Initiative The Vehicle Data Translator (VDT) Integrated Mobile Observing (IMO) ProjectIntegrated Mobile Observing (IMO) Project

Connected Vehicle Initiative

Wrap-Up Q&A

Introduction Background Context – Scope of the Problem

2011 National ITS Update 2

US DOT www.dot.gov/

Turner Fairbank Highway Research

Centerhttp://www.tfhrc.gov/

FHWA HQhttp://www.fhwa.dot.gov/

Resource Center http://www.fhwa.dot.gov/resourcecenter/

51 Federal-AidState Divisions

http://www.fhwa.dot.gov/field.html

National Highway Institute

http://www.nhi.fhwa.dot.gov/

Office of Technical Services

Technology Partnership Programs

http://www.fhwa.dot.gov/hfl/tech.cfm

RITAhttp://www.rita.dot.gov/

2011 National ITS Update

Atlanta, GAGeorgia

San Francisco, CA California

Matteson, ILIllinois

Office of Technical ServicesResource Center

Technical Assistance – Technology Deployment – Training

Lakewood, COColorado

Baltimore, MDMaryland

One Resource Center Five Locations

2011 National ITS Update 4

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THE NATIONAL ACADEMIESAdvisors to the Nation on Science, Engineering, and Medicine

The National Academy of Sciences is an honorific society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare.

4 organizations comprise the Academies: the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine & the National Research Council (NRC).

The work of the NRC is made possible by the world’s top scientists, engineers, and other professionals who volunteer their time without compensation to serve on committees and participate in activities.

Transportation Research Board (TRB) - is 1 of 6 major divisions of the NRC. TRB provides leadership in transportation innovation and progress through research & information exchange. TRB engages more than 7,000 engineers, scientists, & other transportation researchers & practitioners from the public and private sectors & academia, all of whom contribute their expertise in the public interest by participating on TRB committees, panels, and task forces. The program is supported by state transportation departments, federal agencies including the component administrations of the U.S. Department of Transportation, and other organizations and individuals interested in the development of transportation.

http://www.trb.org/GetInvolvedwithTRB/public/GetInvolvedwithTRB.aspx


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The Intelligent Transportation Society of America (ITS America) was established in 1991 as a not-for-profit organization to foster the use of advanced technologies in surface transportation systems. They are one of the leading advocates for technologies that improve the safety, security and efficiency of the nation's surface transportation system. Their members includes private corporations, public agencies, and academic institutions involved in the research, development and design of Intelligent Transportation Systems (ITS) technologies to enhance safety, increase mobility, and sustain the environment.

Mission - to be proactive leaders for all ITS stakeholders promoting collaboration and networking in research, development and design of ITS technologies to accelerate their deployment and sustain the environment.

Vision - help save lives, time and money and sustain the environment through broad deployment of interoperable ITS technologies.

http://www.itsa.org/worldcongress.html


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The ENTERPRISE Program is a FHWA Pooled Fund Study with member agencies from North America and Europe. Its main purpose is to use the pooled resources of its members, private sector partners and the United States federal government to develop, evaluate and deploy Intelligent Transportation Systems (ITS).

Members

Goals and ObjectivesThe goals for ENTERPRISE aim to define areas of benefit which the group intends to pursue. ENTERPRISE goals include the following:•increase highway safety; •reduce highway congestion; •increase highway efficiency; •reduce environmental impacts of travel; •increase comfort and convenience of travel; and •support research and development of promising advanced technologies for use in solving transportation problems.

http://www.enterprise.prog.org


The Scope of the Problem!!!

Safety• ~40,000 deaths/year• ~6,000,000 crashes/year • Leading cause of death for ages 4 to 34

Mobility• ~4,200,000,000 hours of

travel delay• ~$80,000,000,000 cost of

urban congestion

Environment• ~2,900,000,000 gallons

of wasted fuel

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24% of all crashes occur under adverse weather conditions


National Congestion

2010 Annual Urban Mobility Report



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U.S. Department of Transportation Budget Invests $129 Billion in Restoring America's Economic Competitiveness

Monday, February 14, 2011

U.S. Transportation Secretary Ray LaHood today said President Obama’s $129 billion budget for the U.S. Department of Transportation, the first year of a comprehensive six-year transportation plan, will lay a new foundation for economic growth and competitiveness by rebuilding the nation’s transportation systems, enabling innovative solutions to transportation challenges and ensuring the highest level of safety for all Americans.

Nationwide, our transportation systems are already congested & overburdened. With the US population expected to grow from more than 300 million in 2010 to more than 400 million by 2050, rebuilding and expanding the capacity of our roads, airports and transit systems is a strategic necessity for long-term economic growth. The transportation investments proposed in President Obama’s FY12 budget will put Americans to work repairing the bridges and repaving the roads we have now, while supporting the development of the new electric buses and high-speed rail lines of America’s future.

The Administration’s six-year proposal will also provide $336 billion, a 48 percent increase over the previous authorization, to rebuild America’s roads and bridges, and $119 billion, a 128 percent increase over the previous authorization, in funding for affordable, sustainable, and efficient transit options.


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http://www.itsa.org/itsa/files/pdf/092910%20Smart%20Technologies%20for%20Communities%20Act.pdf

Smart Technologies for Communities Actand related legislation that will be reintroducing this spring as part of the surface transportation reauthorization.


http://www.itsa.org/itsa/files/pdf/092910%20Smart%20Technologies%20for%20Communities%20Act.pdf

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Smart Technologies for Communities Act


The Scope of the Problem!!!

Five Year ITS Strategic Research Plan (2010 – 2014)A Truly Multimodal and Connected Effort…

Vision

To research and facilitate a national, multimodal surface transportation system that features a connected transportation environment around vehicles of all types, the infrastructure, and portable devices to serve the public good by leveraging technology to maximize safety, mobility, and environmental performance.

Plan developed with full participation by all surface transportation modal administrations as well as with significant interaction with multi-modal stakeholders.

Addressing the Problem!!!


15U.S. Department of Transportation

The ITS Research Strategic Plan assumes that the USDOT's ITS research program will receive the same level of funding as previous years: $100 million per year for five years.

• This year, up to $77 million will be dedicated to multimodal research and an additional $14 million to technology transfer and evaluation.

• Connected Vehicle research comprises $49 million of the multimodal research funds.

For more information about the ITS Strategic Research Plan, visit www.its.dot.gov/strat_plan



ITS Research = Multimodal and Connected

Vehiclesand Fleets

Wireless Devices

Infrastructure

Drivers/Operators

www.ITS.DOT.GOV2011 National ITS Update


ITS Strategic Research Plan – Overall Work Program

2010 2011 2012 2013

Is InfrastructureRequired for Security?

Yes

No

Define Infrastructure Requirements

Refine Application Strategy

Dedicated Short Range Communication (DSRC) Standards

Security Positioning Data

Yes

No

Define Requirements Technical Testing

Develop Business OptionsRetrofit Feasible? Fleet Turnover OK?

Deployment Scenarios Preliminary

Financial ScenariosPreliminary

Deployment Scenarios Final

Financial ScenariosFinal

Governance & Certification

Assess Driver Distraction Objective Tests Field Testing

ApplicationAssessment

Objective TestingRequirementsDetermination

BenefitsDetermination

Field Testing

Regulatory Decisions

Applications

Infrastructure

Technology

MarketPenetration

Sustainable

Acceptable

Scalability

Additional Testing

OtherApp

Testing

Note: Investments extend beyond 2013


National, multi-modal surface transportation system that features a connected transportation environment among vehicles (cars, trucks, buses, fleets of all kinds), the infrastructure, and mobile devices to serve the public good by leveraging technology to maximize safety, mobility and environmental performance. Connectivity is achieved through dedicated short range communications (DSRC).

Goal: Safety

Vehicle to Vehicle Communications for Safety Vehicle to Infrastructure Communications for Safety

Goal: MobilityReal-Time Data Capture and Management & Dynamic Mobility Applications

Goal: Environment

Applications for the Environment: Real-Time Information Synthesis (AERIS)

Real-time, environmental data from all sources will be integrated and available for use in multimodal transportation management and performance

improvement and will contribute to better environmental practices.

Five Year ITS Strategic Research Plan (2010 – 2014)



ITS Research Program Components



Vehicle-to-Vehicle (V2V) Communications for Safety: This research will investigate key questions such as are vehicle based safety applications using V2V communications effective and do they have benefits. Research is designed to determine whether regulatory action by the National Highway Transportation Safety Administration is warranted to speed the adoption of these safety capabilities. FY2011 investment will be up to $11.5 M

Vehicle-to-Infrastructure (V2I) Communications for Safety: This research will investigate similar questions about V2I communications, with an initial focus on applications based on the relay of traffic signal phase and timing information to vehicles. The purpose is to accelerate the next generation of safety applications through widespread adoption of V2I communications. FY2011 investment will be up to $9.3 M




Safety Applications

Leverage technology to make vehicles discoverable to other vehicles, infrastructure, and pedestrians.

Enable 360 degree situational awareness to the vehicle/driver for potentially hazardous situations



ITS Strategic Plan – Vehicle to Vehicle (V2V) Communications for Safety Purpose

To accelerate the implementation of next generation of safety improvements through the widespread deployment of V2V - equipped vehicles of all types (truck, transit, auto & fleets)

Headlines 76% Crash Scenarios DSRC 5.9GHz Vehicles have 360° awareness (“Here I Am”)

FY 2011 investment up to $11, 500,000

Objectives Reach NHTSA regulatory decision by

2013 Accelerate in-vehicle technology to

ensure value to the first V2V vehicles

Safety Applications - The Game Changers



5.9 GHz DSRC Overview5.9 GHz DSRC Overview

SPECTRUM USED SPECTRUM USED

DATA RATE DATA RATE

COVERAGECOVERAGE

ALLOCATION STATUSALLOCATION STATUS

INTERFERENCE INTERFERENCE POTENTIALPOTENTIAL

MAXIMUM RANGEMAXIMUM RANGE

MINIMUM SEPARATIONMINIMUM SEPARATION

CHANNEL CAPACITYCHANNEL CAPACITY

POWER (Downlink)POWER (Downlink)

POWER (Uplink)POWER (Uplink)

75 MHz 75 MHz

66 Mbps - Mbps - 2727 Mbps Mbps

Overlapping communication zones Overlapping communication zones

Co-PrimaryCo-Primary Status (high protection) Status (high protection)

Sparsely located Military Radars,Sparsely located Military Radars,Sparsely located Satellite Uplinks Sparsely located Satellite Uplinks

10001000 m (~ 3000 ft) m (~ 3000 ft)

5050 ft (on small zone channels) ft (on small zone channels)

77 channels channels

Nominally less than 33 dBm (2 W)*Nominally less than 33 dBm (2 W)*

Nominally less than 33 dBm (2 W)*Nominally less than 33 dBm (2 W)*

ITS RADIO SERVICE is the FCC Part 90 designation for the 915 MHz & 5.9 GHz DSRC spectrum. *Note - as a special case up to 44.77 dBm (30 W) may be use for qualified public safety applications.

PARAMETERS 5850 - 5925 MHz Band

Green – Substantial Advantage over 91 0 MHz systemsGreen – Substantial Advantage over 91 0 MHz systems

5.9 GHz DSRC (Dedicated Short Range Communications) is a short to medium range communications service that supports both Public Safety and Private operations in roadside infrastructure to vehicle (V2I) & vehicle to vehicle (V2V) communication environments.

It is one of the most effective means to deliver rapidly changing information that is time and location dependent. DSRC can be used anywhere timely delivery of data is required.



Infrastructure Neededfor Security?

PreliminaryRequirements

Refine Strategy

Analysis Develop Business OptionsRetrofit Feasible?

ApplicationAssessment



Field Testing

Final Decision

Regulatory DecisionInfrastructure

FleetPenetration

Approach

2010 2011 2012 2013 Fiscal Year

2010 2011 2012 2013 Fiscal Year 2014

ApproachIdentify Candidate

Technologies (toll, aftermarkets, other)

Demonstrations /Field tests

Evaluation / Benefits

Identify Requirements for “Here I Am Messages”

Scalability Testing

Road Map for V2V Accelerate In-Vehicle Technology “Here I Am”

Roadmap for Vehicle to Vehicle (V2V) Communications for Safety

Road Maps - Vehicle to Vehicle (V2V) Communications for Safety & V2VAccelerated In-Vehicle Technology “Here I Am”



A World With Connected Vehicles and Travelers

“Here I Am” / Where’s My Bus/Carpool?

latitude, longitude, time, heading angle, speed, lateral acceleration, longitudinal acceleration,

yaw rate, throttle position, brake status, steering angle, headlight status, wiper status,

external temperature, turn signal status, vehicle length, vehicle width, vehicle mass,

bumper height



ITS Strategic Plan – Vehicle to Infrastructure (V2I) Communications for Safety Purpose

To accelerate the implementation of the next generation of safety improvements through deployment of a nationwide suite of V2I - equipped vehicles (truck, transit, auto & fleets) capable of communicating effectively with relevant infrastructure systems

Objectives Infrastructure policy guidance /

regulation Develop policy guidance/regulation for

DSRC in signals Develop Signal Phase & Timing

(SPaT) as initial capability

Note: One application to be researched

collaboratively with the EU Leverages FMCSA Smart Park research

Research questions: Are applications are effective and are

benefits validated? What minimum infrastructure is

needed for maximum benefit? (Initial deployment)

Degree of market penetration required for effectiveness?

Are there unique applications for specialty vehicles (transit bus, light rail, etc)?

Headlines 12% Crash Scenarios DSRC 5.9GHz for crash warning;

various communication technologies for information advisories

Signal warnings support active safety

FY 2011 investment up to $9,300,000



Refine Strategy

Analysis Develop Business OptionsRetrofit Feasible?

ApplicationSelection*



Field Testing

Regulatory Policy Decision 2015+Infrastructure

FleetPenetration

Approach

2010 2011 2012 2013 Fiscal Year

FOT

Requirements AnalysisInput from V2V Infrastructure Analysis

2010 2011 2012 2013 Fiscal Year 2014

Approach PrototypeDemonstrations /

Field testsEvaluation

SPaT Interface Definition

Identify requirements

Road Maps - Vehicle to Infrastructure (V2I) Communications for Safety & V2I Accelerated Infrastructure Communications Capability

Roadmap for Vehicle to Infrastructure (V2I) Communications for Safety

Road Map for V2I Accelerated Infrastructure Communications Capability (SPaT)



FOUNDATIONAL ANALYSIS

PROGRAM AREA

Five Year ITS Strategic Research Plan (2010 – 2014) Major Milestones

Safety V2I

Safety V2V

AERIS

Data Capture

Dynamic Mobility

Apps.

Safety Pilot

Testbed

RESEARCH, DEVELOPMENT & TESTING

PILOT IMPLEMENTATIONS

Sys. Eng. Security

Standards

7/09 7/11 7/13 7/151/11

V2V NHTSA Agency Decision

Mobility and Environment

WorkshopMobility Benefits

TestbedLaunch

Upgraded Testbed Launch

Revised Architecture

Released

V2I AppsDefined

Regional

Pilots

High-Priority AERIS Applications Selected

SafetyWorkshop

AERIS Benefit

Safety Pilot

Safety BenefitsAssessment Completed

High-Priority Mobility Apps Announced

Qualified Product Lists (QPLs)

MO

BILI

TYSA

FETY

B

B

B

V to V Apps

Data Environments

Apps Develop

Initial Aftermarket V to I Apps

Pol

icy Certification

Governance

Prototype Certification Process

Prototype Governance Structure

Prototype Security Process

It will take a series of steps to get there…



Step One – Accelerate V to V SafetyDevelop a Core Set of Applications

Conduct Benefits Assessment

Develop Driver Vehicle Interface Guidelines

Define Globally Harmonized Standards

Assess Security Issues

Accelerate V to V DSRC DevicesBasic Safety Message Broadcast Devices (Here I am)

Aftermarket Safety Devices

Prepare for 2013 NHTSA Agency Decision

Human Factors

SAFE

TY



Step 2 - Demonstrate Safety

Safety Pilot• Major road test and real world implementation taking place 2011 – 2013 involving:• Multiple vehicle types• Fully integrated systems and aftermarket devices

• Test Prototype security mechanisms, and• Certification processes

SAFE

TY

• Goals• Support real world V2V and V2I applications with a data rich

environment• Establish benefits data in support of NHTSA 2013 Agency Decision

on V2V Communications with Real World Field Data• Create Public Awareness & Determine User Acceptance



Step 3 – Define the System and Establish a Testing Environment

User

Needs Concept of Operation

System Requirements

System Architecture

Aug./Sept. 2010 Oct. to Dec. 2010 Jan. to March 2011 Summer 2011

““In the street – running Jan 2012”In the street – running Jan 2012”

CA Testbed

FL Testbed

NYTestbed

FHWA Turner FairbankTestbed

SAFE

TY



Step 4 - Build V to I Safety, Mobility, and AERIS Data Environments and Applications V to I for Safety – Accelerate Signal Phase and Timing (SPAT) Based Applications, Smart Roadside, and Transit

Prototype the Data Environment of the Future – All Vehicles as Probes and Open Data

Prototype, Field Test and Analyze Mobility ApplicationsUse Open Source Software Approach to accelerate deployment

Define and Test AERIS Applications

Signal SystemsTransit ManagementFreight R.E.S.C.U.E.M.EATISSpeed Harmonization

MO

BILI

TY

Applications for the Environment: Real-Time Information Synthesis (AERIS)



Step Five – Build a Reference Implementation

Reflect the System Architecture

Utilize Harmonized International Standards

Implement a Certification Process

Implement a Governance Process

Implement a Security Process

Pol

icy




Multiple Implementation AreasOpportunity to Pilot a variety of applications per area’s need (Sites choose from a suite of field tested applications)

Seeds ImplementationUses Lessons Learned from Safety Pilot

Builds on a Stakeholder Defined Architecture

Accelerates DSRC for SafetyLeverages Available Wireless Communications for Mobility and Environment Applications

Leverages Private Sector Investments Occurring Now

Step 6 - Conduct Regional Pilots

It will take a series of steps to get there…




– Real-Time Data Capture & ManagementPurpose

To accelerate the implementation of the next generation of transportation system improvements by providing real-time, cross-modal (bus, rail, parking, roadway) information in all 50 states that will improve energy conservation, traveler information, safety, and reduce congestion

FY 2011 investment up to $1, 995,000

Purpose To improve transportation mobility by

providing travelers and transportation system operators with real-time, dynamic, cross-modal decision-making capabilities through access to a nationwide suite of applications based on improved collection and processing of real-time data, supplemented by improved communications between vehicles (transit, truck, auto and fleets) and infrastructure

Dynamic Mobility ApplicationsFY 2011 investment up to $8,000,000

Headlines Applications for Real-Time data

that are both DSRC & non DSRC-based

V2I Multi-modal applications for mobility

Headlines Real-Time multimodal information

throughout the U.S. captured from connected vehicles, devices and infrastructure.



Mobility and EnvironmentEnhance mobility and environmental benefits through fewer crashes and richer data



ITS Strategic Plan – Applications for the Environment: Real-Time Information Synthesis (AERIS)Purpose

To generate/acquire environmentally-relevant real-time transportation data, use this data to create actionable information to support and facilitate “green” transportation choices, and assist system users and operators with “green” transportation alternatives or options

Approved FY 2011 Funding: $1,930,000

Road Weather ManagementPurpose

To facilitate and improve the value of road weather information provided by both public and private sector weather communities to all transportation users and operators through robust data assimilation, quality checking and effective dissemination

FY 2011 investment up to $4,600,0002011 National ITS Update

The Clarus Initiative

• A database management system for all surface transportation weather observations in North America

• One database removes borders

• Provides advanced quality checking for both atmospheric & pavement data

• Includes extensive metadata

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www.clarus-system.com

Easy access via web portal & subscription

Once development completed, transfer to NOAA for operations

Road Weather Management…Road Weather Management…2011 National ITS Update

Clarus System Participation

Connected(37 States, 4 Locals,3 Provinces)

Canadian RWINParticipation

Clarus Connection Status

Sensor & Station Count2,127 Sensor Stations (ESS)47,231 Individual Sensors

Pending(4 States, 3 Locals)

Considering(4 States)

Road Weather ManagementRoad Weather Management


40

• The Clarus System provides near real-time atmospheric and pavement observations from participating states’ environmental sensor stations (ESS).

• Functions include:• data assimilation, • quality checking, and • data dissemination40



– Integrated traveler information systems

– Data delivery to trucking dispatch centers and transportation agency centers

– Integration of vehicle detectors and radio frequency identification with ESS for CVO services

How Transportation Agencies are using ITS applications How Transportation Agencies are using ITS applications such as the such as the ClarusClarus System to Improve Operations System to Improve Operations

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Vehicle-based Probe Data

Weather Data & the Weather Data & the Connected VehicleConnected Vehicle


The Vehicle Data Translator (VDT)

Functions• Parsing• Filtering • Quality Checking• Data integration• Statistical processing• Data export

VDT

DataParser

ProcessingCache

DataFiltering

Algorithms

DataQuality

Checking

StatisticalProcessing

OutputQueue

Ancillary Data

Data SubscribersData

Network

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sophisticated processing of data

Road Weather ManagementRoad Weather Management

developed by NCAR (National Center for Atmospheric Research)


Clarus

Connected Vehicle Data

Capture

VDT(NCAR)

Wireless communications e.g. 3G/4G cellular or RF data-link

State DOT

Vehicles

State DOT

Clarus Regional Demo

2-5

MDSS MMSOther Connected

Vehicle Applications

DOT Operations

NCAR

State DOTentity

Clarus entity

Connected Vehicle Entity

Commercial or gov’t program

Legend:

Internet data flowStep I

Step II

Step III

Step IV & V

Project Vision

Wireless data flow

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Integrated Mobile Observing & Dynamic Decision SupportIntegrated Mobile Observing & Dynamic Decision SupportNew Project

Road Road Weather Weather ManagementManagement2011 National ITS Update

A national, multi-modal surface transportation system that features a connected transportation environment among vehicles, the infrastructure, and portable devices to serve the public by leveraging technology to maximize safety,

mobility and environmental performance

…and a suite of targeted research and development

initiatives that support cross-modal ITS solutions

Connected Vehicle Challenge- Mode Specific Research

www.Challenge.gov.


47

Despite a recent decline in traffic fatalities, nearly 34,000 people were killed on U.S. roads last year and more than 2 million were injured.

Connected vehicle research and testing is being undertaken to support an expected NHTSA decision in 2013 which will determine how the Nation will proceed, and which could eventually require the technology to be installed in all new light vehicles. A similar decision for trucks is expected in 2014.

Connected Vehicle Challenge- Mode Specific Research

The Connected Vehicle Technology Challenge is a national competition seeking ideas for using wireless connectivity between vehicles to make transportation safer, greener and easier… with the goal of unleashing a new breed of advanced wireless technologies to make universal vehicle connectivity a reality. The Connected Vehicle Technology Challenge runs through May 1st additional details can be found at www.Challenge.gov


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The Connected Vehicle has the potential to address 82% of the

vehicle crash scenarios involving unimpaired drivers

Opportunity for Safer Driving

Greater situational awareness

» Your vehicle can “see” nearby vehicles and knows roadway conditions you can’t see

Reduce or even eliminate crashes thru:

» Driver Advisories

» Driver Warnings

» Vehicle control


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Creating an information-rich environment for multi-modal transportation solutions.» Traveler information for rerouting or

“modal shift” options

» Better management & system performance of road network

» Urban planning

Environmental benefits» Reduced stopping/starting at traffic

signals which consumes 3-5 times more fuel than constant driving

» Navigation systems with real time information can reduce fuel consumption by 10.5% over systems without real time traffic data

Opportunity for Greater Mobility & Efficiency


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Careers in Transportation… http://www.fhwa.dot.gov/vacancy/roads.htm


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Careers in Transportation…


Ray Murphy, US DOT - FHWA [email protected] 708-215-0979

Thank you for your time and attention - best wishes on all future endeavors!

On behalf of the US DOT/FHWA…


Ray Murphy, ITS SpecialistU.S. Department of Transportation Federal Highway AdministrationOffice of Technical Services4749 Lincoln Mall Drive, Suite 600Matteson, IL [email protected]

•Intelligent Transportation Systems•511/Real-Time Data Systems•Road Weather Management •Emergency Transportation Operations

Ray Murphy's Meeting Roomhttp://fhwa.adobeconnect.com/raymurphy/Dial-in: 877-985-2052 Passcode: 8424787

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2011 National ITS Update - 2 25-11 public version

Education