The objective of this research was to develop guidelines for the deployment of changeable message signs (CMSs) in support of incident management in the Omaha metropolitan areas. The guidelines presented in this report address the location and placement of the CMSs, design and display of CMS messages, alternative routes, and operation of the system. The guidelines promote the deployment of a cost-effective CMS system that provides reliable driver information which will improve the safety and efficiency of freeway operation during incidents. The CMS locations recommended in the guidelines are those which provide greatest benefits to road users per unit cost of the system. The placement and message guidelines foster the readability, understandability, and credibility of the information displayed by the CMSs. The alternate route description discusses the need for trailblazers to guide unfamiliar drivers and the importance of checking conditions on the alternate routes before diverting traffic to them. The operation guidelines emphasize the importance of maintaining the credibility of the system. Because of their high visibility and the amount of attention they will receive, at least initially, from the drivers and the news media, it would be much better to continue freeway operators without CMSs than to deploy CMSs that display unreliable information.


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    Titel :

    Incident Management: Changeable Message Sign Deployment Guidelines


    Beteiligte:
    P. T. McCoy (Autor:in) / G. Pesti (Autor:in)

    Erscheinungsdatum :

    1999


    Format / Umfang :

    68 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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