Planning and assessment of multimodal transportation systems: case studies in Salt Lake City, UT
The need for multimodal transportation alternatives in metropolitan areas is increasing because of the inability to build more capacities for low-occupancy vehicles. This paper describes multimodal alternative analysis and comparisons of potential improvements. The alternatives include Bus Rapid Transit (BRT), addition of bicycle lanes, implementation of Transit Signal Priority (TSP) and introduction of a streetcar line. The analysis was performed through traffic microsimulation for the target 2025 year. The implementation of upgraded transit systems and TSP has the potential to significantly improve system performance. Person-based delays decrease and transit speeds improve, with a significant increase in the offered transit productive capacities. With optimization of operations and geometry improvements, the performance of vehicular traffic is not impacted by transit-friendly solutions. In a well-balanced network, it is important to offer more travel choices through increased transit service and options for non-motorized traffic, equally considering efficiency and safety for all travel modes.
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