Evaluating Change in Corridor Operations Based on Access Management Strategies Using VISSIM Along US-69 Through Ankeny, Iowa.

Author(s)
Fitzsimmons, E.J. Hallmark, S. Plazak, D. & Giese, K.
Year
Abstract

Access management is a proven method to reduce conflict points along a roadway, provide a safer means for vehicles to access businesses, and increase network efficiency. The effectiveness of particular access management strategies is well documented through various applications and research studies. However, an area that has had limited research is how micro simulation can evaluate and compare corridors with and without access management strategies and provide a visualization tool for engineers, planners, and policy makers using these strategies. This research builds on the idea that the micro simulation program VISSIM can be a powerful tool to help engineers analyze a corridor with access management prior to design or construction. Limited research has been performed to study how VISSIM can be used toisolate specific sites within a corridor, identify access management needs, implement the strategies, and determine what impacts the strategies would have on the overall operations. To demonstrate proof of concept, a casestudy section of US 69 (South Ankeny Boulevard), which serves as the mainnorth/south route through Ankeny, Iowa, was developed in VISSIM. The casestudy site within the corridor was selected because multiple access management strategies were feasible and could be evaluated. A calibrated base scenario model of existing conditions was compared to a case study where various access management techniques were implemented. The two scenarios were compared using measures of effectiveness that included travel time, delay, and stopped delay. Results showed the case study model with access management implementation had minimal effects on corridor operations. This research study showed VISSIM to be a powerful tool to evaluate and visualize access management strategies in an urban commercial corridor.

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Publication

Library number
C 48006 (In: C 47949 DVD) /73 / ITRD E854010
Source

In: Compendium of papers DVD 89th Annual Meeting of the Transportation Research Board TRB, Washington, D.C., January 10-14, 2010, 14 p.

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This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.