Intelligent Transportation Systems and Travel Behavior in Connecticut

Abstract

In the past decade, there has been significant investment in Intelligent Transportation Systems (ITS) technologies that provide information to both en-route and pre-trip travelers. However, there is no definitive evidence that en-route travelers actually use the information and alter their travel patterns. Previous research employed surveys that relied on motorists' written or spoken responses to questions involving travel information and hypothetical roadway scenarios. This research examines travel behavior on freeways equipped with ITS technologies in Connecticut using collected real-time traffic count data from the diversionary roadways. Results find that more travel is occurring on the diversionary routes during periods of variable message sign (VMS) messages than during equivalent periods having no messages, indicating a motorist travel response to these messages.

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