Institute of Transportation, MOTC

Title	Planning and Development of Highway Travel Time Information and Management Systems (4/4)
Dept	Transportation Planning and Land Transport Division
Year	2007
Month
Price
Summary	With the construction of highway network in Taiwan, the functionality of the total highway network is more integrated. If the system can offer more sufficient travel time information to road users, it can enhance the prediction accuracy of transportation demand and effective use of highway systems, and then improve transportation efficiency.   This project is the last-year project of the entire four-year research. It mainly extends the first-year to the third-year projects: the example of freeway and preliminary results of travel time modeling. The freeways and provincial highways are regarded as the research scope. It establishes the static and dynamic travel time estimation models, and finishes the information display system. The main achievement of this study are summarized as follows: Revising and integrating the static travel time estimation modeling Continually collecting the VD (vehicle detector) data of highways and west-east expressways in the newly year and enlarging the data structure and the database established in early period. Considering the traffic data which is collected by the "ETC" sytem. Making sure that the deviation between the estimated travel time and real travel time is in a reasonable tolerance.  Revising and strengthening the freeway dynamic travel time estimation model Completing the estimation model function based on the previous research. Revising and integrating the travel time information display system Continually building the display system, static travel time link cost function and dynamic travel time estimation model. Modifying the system to become more user-friendly and continuing the operation of the system according to the suggestions of early research. Writing the technique report and transferring the related techniques.
Post date	2007/10/04
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