Computer-Aided Design of Urban Transit Systems

by Jerry B. Schneider, Assoc. Prof.; Urban Planning and Civ. Engrg. Dept., Univ. of Washington, Seattle, WA,
Claus D. Gehner, Res. Asst. Prof.; Civ. Engrg. Dept., Univ. of Washington, Seattle, WA,
Dennis Porter, Res. Asst.; Civ. Engrg. Dept., Univ. of Washington, Seattle, WA,
James Clark, Res. Asst.; Civ. Engrg. Dept., Univ. of Washington, Seattle, WA,


Serial Information: Transportation Engineering Journal of ASCE, 1974, Vol. 100, Issue 4, Pg. 943-958


Document Type: Journal Paper

Abstract: A prototype man-computer system was developed for use in the design of urban bus transit systems. The Urban Transportation Analysis Section (UTRANS) permits design and evaluation of many alternatives within a relatively short period of time. UTRANS is currently limited to the design of transit systems that serve a many-to-one travel pattern, i.e., many trip origins having a common trip destination. The designer uses a graphics terminal to input design data for a bus transit system. A computerized behavioral model of mode split then predicts performance of the system design. A series of performance displays are provided for use in evaluation of the design. Repeated modifications of the original design permits the generation of many alternatives and eventual selection of a particular design that has best overall performance. An assessment of the utility of UTRANS in a real-world setting awaits the results of current efforts to apply the system in the design and evaluation of transit service to the University of Washington, Seattle, Wash.

Subject Headings: Computer aided design | Travel patterns | Buses | Transportation management | Urban areas | Permits | Travel modes | Computer models

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