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Title:

AN ESTIMATION OF LINK TRAVEL TIME USING GPS AND GIS

Accession Number:

00760749

Record Type:

Component

Availability:

American Association of State Highway and Transportation Officials (AASHTO)

444 North Capitol Street, NW
Washington, DC 20001 United States

Abstract:

A brief review of travel time measuring practices have been introduced with special emphasis on the link travel time derivation using GPS and GIS database. The major impetus of this research is to use the floating or 'idle' GPS-equipped probes whose original missions are quite specific, for example to be dispatched promptly on demand (using the automatic vehicle location technology), in estimating the link travel times of the network for which the traffic information service is under consideration. The approach used GPS, GIS and the wireless communication. The WGS 84 oriented GPS data have been converted for the Transverse Mercator oriented GIS database. An algorithm based on Oracle query has been developed for link travel time calculation. The proposed algorithm has been tested with actual field data, proving that errors lie within the 10%. Some future research agenda have been also suggested.

Supplemental Notes:

Additional sponsorship provided by the Highway Engineering Exchange Program, the National Association of Regional Councils, and the Urban and Regional Information Systems Association.

Language:

English

Corporate Authors:

American Association of State Highway and Transportation Officials (AASHTO)

444 North Capitol Street, NW
Washington, DC 20001 United States

Federal Highway Administration

1200 New Jersey Avenue, SE
Washington, DC 20590 United States

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Choi, Kunhee
Shin, C
Park, I

Editors:

Ormesher, D

Pagination:

p. 121-128

Publication Date:

1998-8

Conference:

Integrating the Transportation Business Using GIS. Proceedings of the 1998 Geographic Information Systems for Transportation (GIS-T) Symposium

Location: Salt Lake City, Utah
Date: 1998-4-20 to 1998-4-22
Sponsors: American Association of State Highway and Transportation Officials, Federal Highway Administration, Transportation Research Board, the Highway Engineering Exchange Program, the National Association of Regional Councils, and the Urban and Regional Informat; American Association of State Highway and Transportation Officials, Federal Highway Administration, Transportation Research Board, Highway Engineering Exchange Program, the National Association of Regional Councils, and the Urban and Regional Information

Features:

Figures (6) ; References; Tables (5)

Subject Areas:

Highways; Operations and Traffic Management; Planning and Forecasting; I21: Planning of Transport Infrastructure

Files:

TRIS, TRB, USDOT

Created Date:

Mar 7 1999 12:00AM

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