Use of Traveler Information in the Puget Sound Region: Preliminary Multivariate Analysis

Abstract

Recent developments in information technologies, providing new ways to disseminate and use information, may help alleviate congestion, reduce user cost and time, and enhance safety. This influence of technology use, however, is mediated by telecommunication and information technology ownership and use. A multivariate probit model specification is used to determine how these parameters influence traveler decision making when one is confronted with information about traffic problems before making a trip to work or school, en route to or from work or school, and before making a trip from work or school. Addressed is the key relationship between telecommunication and information technology ownership and use with travel decisions when information about traffic problems is available. Data from the Puget Sound region for 1997 are used in the analysis. The results suggest technology ownership and use influence travel decision making in different ways for each stage of travel—before leaving home, en route, and returning home.

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