A Two-Way Traffic Feasibility Analysis

by John A. Bieberitz, Howard Needles Tammen &, Bergendoff, Milwaukee, United States,
Christian R. Luz, Howard Needles Tammen &, Bergendoff, Milwaukee, United States,

Document Type: Proceeding Paper

Part of: Microcomputers in Transportation


This paper presents the findings of a traffic planning feasibility analysis of the expected operational characteristics and traffic impacts related to the proposed conversion of Hennepin Avenue, a major arterial in downtown Minneapolis, Minnesota, from an existing one-way to a two-way arterial. The application and reliability of several computer software programs were evaluated in the conduct of the feasibility analysis, including TRANPLAN, SIGNAL85, PRETRANSYT, TRANSYT-7F and TRAF-NETSIM. Special emphasis was given in a comparison of TRANSYT-7F and TRAF-NETSIM regarding suggested application, reliability and measures of effectiveness. TRANPLAN was used to simulate one-way and forecast two-way traffic volumes along a fifteen block study area of Hennepin Avenue. The TRANPLAN generated traffic volumes were manually refined at the thirteen signalized intersections in the corridor and analyzed using SIGNAL85 to obtain optimum signal phasings and timings. To accurately assess the operation of the interconnected signal system, SIGNAL85 data was input into TRANSYT-7F through the use of PRETRANSYT. Due to the high volume of pedestrians, buses and bus stops (23 routes) throughout the study corridor limits, TRAF-NETSIM was used to simulate these conditions.

Subject Headings: Traffic analysis | Computer analysis | Traffic signals | Feasibility studies | Traffic models | Computer software | Traffic volume | Minnesota | United States

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