Active Traffic Management: Active Traffic Management: The Next Step in Congestion The Next Step in Congestion

ManagementManagementNTOC WebinarNTOC Webinar

Presented byPresented byJessie Yung, P.E.Jessie Yung, P.E.

Office of Transportation ManagementOffice of Transportation Management

April 30, 2008April 30, 2008

Congestion Management in the U.S.Congestion Management in the U.S.

Travel demand is on the riseTravel demand is on the rise

Traffic congestion is increasingTraffic congestion is increasing

Financial constraints are a realityFinancial constraints are a reality

Reduce traffic congestion by bringing Reduce traffic congestion by bringing supply and demand into alignmentsupply and demand into alignment

Active Traffic Management (ATM) is one Active Traffic Management (ATM) is one of the operational strategies to manage of the operational strategies to manage congestioncongestion

OPERATIONAL STRATEGIESOPERATIONAL STRATEGIES

Improving the efficiency of the transport system by:Improving the efficiency of the transport system by:

Providing real-time, multi-modal informationProviding real-time, multi-modal information

Predicting travel timesPredicting travel times

Active traffic management Active traffic management

Traffic management centersTraffic management centers

Parking managementParking management

Photo enforcementPhoto enforcement

Improved public transportImproved public transport

Managing large-scale events and emergenciesManaging large-scale events and emergencies

Highway reconstruction mitigationHighway reconstruction mitigation

Sources: ATAC, Schreffler, Hull, AVV

CONCEPTUAL FRAMEWORK:CONCEPTUAL FRAMEWORK:Traffic vs. Travel Demand ManagementTraffic vs. Travel Demand Management

2006 International Scan2006 International Scan

Sponsored by FHWA, AASHTO, NCHRPSponsored by FHWA, AASHTO, NCHRP

Participants from Minnesota, Washington, Participants from Minnesota, Washington, Texas, private sector, and FHWATexas, private sector, and FHWA

Original purpose was to learn European Original purpose was to learn European approach to congestion management approach to congestion management using managed lanes, but the scan team using managed lanes, but the scan team found out more…found out more…

What is Active Traffic Management?What is Active Traffic Management?

“Ability to dynamically manage recurrent and non-recurrent congestion based on prevailing traffic conditions”

A complete package of operational strategies!

• Use of integrated systems with new technologyUse of integrated systems with new technology

Why ATM?Why ATM?

Active managementActive management– Increase throughput and safetyIncrease throughput and safety– Provide reliable tripsProvide reliable trips– Reduce congestionReduce congestion– Provide enhanced information to motoristsProvide enhanced information to motorists– Provide additional capacity during periods of Provide additional capacity during periods of

congestion or incidentscongestion or incidents

Example of ATM StrategiesExample of ATM Strategies

Speed harmonizationSpeed harmonization

Temporary shoulder useTemporary shoulder use

Queue warningQueue warning

Dynamic signing and re-routingDynamic signing and re-routing

Speed HarmonizationSpeed Harmonization

Slow traffic before queuing Slow traffic before queuing beginsbegins

Extend time of efficient Extend time of efficient travel to userstravel to users

Delay point of breakdownDelay point of breakdown

Benefits are reduced Benefits are reduced accidents, increased accidents, increased throughput, and better work throughput, and better work zone safetyzone safety

Temporary Shoulder UseTemporary Shoulder Use

Implemented with Implemented with speed harmonizationspeed harmonization

Signs indicate shoulder Signs indicate shoulder open for use, blank open for use, blank otherwiseotherwise

Refuge areas and call Refuge areas and call boxes also availableboxes also available

Queue WarningQueue Warning

Informs motorist of reason Informs motorist of reason for slower speedsfor slower speeds

Integrated into overhead Integrated into overhead systemsystem

Dynamic Re-RoutingDynamic Re-Routing

Dynamic message signsDynamic message signs

Partnerships with Partnerships with information providers information providers

Putting It All Together – M42 UKPutting It All Together – M42 UK

Source: Highways Agency

ATM – Benefits (European Experiences)ATM – Benefits (European Experiences)

Average throughput increase: 3 - 7%Average throughput increase: 3 - 7%

Overall capacity increase: 3 - 22%Overall capacity increase: 3 - 22%

Decrease in primary accidents: 3 - 30%;Decrease in primary accidents: 3 - 30%;

Decrease in secondary accidents: 40 – 50%Decrease in secondary accidents: 40 – 50%

What’s Next?What’s Next?

Synthesis of current state-of-the-practices Synthesis of current state-of-the-practices and state-of-the-art and state-of-the-art

Develop guidance and educational Develop guidance and educational materialsmaterials

Deployment in the UPA cities: Minneapolis Deployment in the UPA cities: Minneapolis and Seattleand Seattle

Develop lessons learned case studiesDevelop lessons learned case studies

What is UPA?What is UPA?

Part of USDOT Part of USDOT Congestion InitiativeCongestion Initiative

4 Ts – 4 Ts – TTolling, olling, TTransit, ransit, TTelecommuting, elecommuting, TTechnologyechnology

USDOT Secretary announced five Urban USDOT Secretary announced five Urban Partners in August 2007Partners in August 2007– Miami, Miami, New York CityNew York City, Minneapolis, San , Minneapolis, San

Francisco, SeattleFrancisco, Seattle

$853 million Federal discretionary grants$853 million Federal discretionary grants

For more informationFor more information

ATM Scan Report is available on-line ATM Scan Report is available on-line http://international.fhwa.dot.gov/pubs/pl07012/http://international.fhwa.dot.gov/pubs/pl07012/

Managing Travel Demand (MTD) WorkshopManaging Travel Demand (MTD) Workshop

MTD Scan Report is available on-line MTD Scan Report is available on-line http://international.fhwa.dot.gov/traveldemand/index.cfmhttp://international.fhwa.dot.gov/traveldemand/index.cfm

FHWA ContactsFHWA Contacts– Jessie.Yung@dot.gov or (202) 366-4672Jessie.Yung@dot.gov or (202) 366-4672– GregM.Jones@fhwa.dot.gov or (404) 562-3906GregM.Jones@fhwa.dot.gov or (404) 562-3906– Grant.Zammit@fhwa.dot.govGrant.Zammit@fhwa.dot.gov or (404) 562-3575 or (404) 562-3575