Travel Times on Dynamic Message Signs
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Travel Times on Dynamic Message Signs Jimmy Chu Office of Transportation Management 7/15/2008. Dynamic Message Signs. Valuable pieces of “real estate” Nationwide -4081 Urban-3300, Rural-781. A Resource Underutilized. Non-Incident/Non Roadwork Periods Signs are often blank

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Travel Times on Dynamic Message Signs

Jimmy Chu

Office of Transportation Management

7/15/2008


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Dynamic Message Signs

  • Valuable pieces of “real estate”

  • Nationwide -4081

    • Urban-3300, Rural-781


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A Resource Underutilized

  • Non-Incident/Non Roadwork Periods

    • Signs are often blank

      or

    • Provide vague information


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FHWA Recommended Practice for DMS

  • Travel Time Messages Should Be the Goal as the Default Information Provided to Motorists

  • “Blank” DMS are Transportation Investments that are Not Being Fully Utilized

  • No New DMS Should be Installed in Major Metropolitan Areas or Heavily Traveled Corridors Unless the Capability to Display Travel Times Exists


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Survey Results

  • Percent of TMCs that Display Travel Time by Time of Day

    • 23% Both in Peak and Off-Peak Period

    • 7% in Peak Period

    • 70% does not Display


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Survey Results

  • Relative Number of DMS on Which Travel Time Messages are Displayed


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Survey Results

  • Reported Public Response to Travel Time Messages


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Travel Times on DMS Status

= Provide Travel Times (41)

Total combined, as of June 25, 2008

= Plans to Provide Travel Times (16)

= “Top 40” Metro Area w/ T T(29 / 40)

= “Top 40” No Plans in Near Future (5)

D.C.


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Travel Times on DMS

  • One of the DOT’S Congestion Initiatives

    • Implement Travel Times on DMS in Top 40 Metro Areas

    • Provide Technical Support for Travel Times Deployment


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TMC Pooled Fund Study Members

  • 7 Opportunity States

    DE, IN, NC, PA, RI, TX,VA


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How can We Help?

  • Provide Technical Assistance

  • Workshop

  • Domestic Scan

  • Peer to Peer


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How can We Help?

  • Information on Operation Website

    http://ops.fhwa.dot.gov/travelinfo/index.htm

  • Contact ITS Engineers in FHWA Division Office


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[email protected]

202 366-3379


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