United States Department of Transportation
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Integrated Corridor Management Initiative: Overview of the Dallas Traveler Response Panel Survey
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2017-03-01
[PDF-2.95 MB]
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Alternative Title:Integrated Corridor Management Initiative: Traveler Response Panel Survey Dallas
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NTL Classification:NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS
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Abstract:This report presents findings from the Integrated Corridor Management (ICM) traveler behavior surveys, a set of panel surveys of US-75 corridor users, conducted before and after the deployment of ICM. The purpose of the surveys was to measure the impacts of the ICM initiative on travelers’ use of real-time information, their travel behavior in the corridor, and their satisfaction with their corridor trips. In addition to surveying drivers about their general behavior in a baseline and endline survey, pulse surveys were administered immediately following incidents in the corridor to obtain a measure travelers’ use of traveler information during incident conditions and its impact on their behavior. A survey of transit riders (light rail) was also conducted. Across the survey waves, the surveys found a significant increase in the use of smartphones to acquire real-time traffic information. Overall there was increased awareness of traveler information sources, but the use of sources remained relatively constant, with the exception of increased use of Google Maps. With respect to travel behavior, the baseline and endline surveys indicate that there were no significant changes in travel behavior in response traveler information; however the pulse surveys demonstrated an increase in minor route changes for afternoon peak trips. The baseline and endline surveys also found that travelers were more satisfied with the predictability of their trip time, with modest positive shifts in the ratings of congestion and driving time in the corridor. The transit survey found that transit riders tend to rely on their smartphones for information, and for peak hours corridor trips, they utilize Dallas Area Rapid Transit apps and Google Maps most often. Overall, a large majority of transit riders are satisfied with the service, though satisfaction levels were somewhat lower for seat availability, particularly during afternoon peak hour trips.
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