Colón-Nieves, Magaly

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Analysis and evaluation of traffic congestion at Sunny Isle and Sion Farm intersections in St. Croix, Virgin Islands
(2008) Colón-Nieves, Magaly; Valdés-Díaz, Didier M.; College of Engineering; Bartolomei Suárez, Sonia; González Quevedo, Sergio; Department of Civil Engineering; Arroyo Caraballo, José R.
This project presents the results of the analysis and evaluation of traffic conditions at two congested intersections Sunny Isle and Sion Farm in Saint Croix, Virgin Islands. They are among the busiest intersections in the island. Traffic signal timings have not been reviewed or modified in recent times. Vehicles are driven on the left side of the road but most of the automobiles on the island have left side steering wheels. Traffic analysis performed reveal that both intersections have a problem of excessive delays and insufficient capacity, particularly in right turn lanes. Alternatives to improve traffic conditions were generated and simulated using AASIDRA and SYNCHRO. Results were analyzed considering several performance measures. At the end of the evaluation process, the best alternative was selected to improve the congestion situation studied.