The rising interest in sustainable modes of transportation has increased demand for the design and implementation of bicycle\nfacilities in the United States. However, as compared to the vehicular mode, bicycle facilities have relatively less development,\nresearch, and understanding. The availability of a bicycling simulator has the potential to contribute to the understanding of\nbicycle facility design and bicyclist behavior. The design and construction of a bicycling simulator differs from a driving simulator\nin many ways. A bicycling simulator requires interfaces for bicycle speed, braking, and steering angle as well as a visual interface.\nIn addition, a representation of a real-world network, including pavement, buildings, the sky and background, and fixed and\nmoving objects, needs to be modeled using a simulator engine. This paper presents the details of the ZouSim bicycling simulator\ndevelopment and the tradeoffs associated with various design decisions, such as the choice of a steering sensor and graphical\ndisplay. A sample application of a wayfinding and detection markings study illustrates the use of ZouSim. The authors hope that\nthis article will encourage other researchers who conduct research in sustainable cities to explore the use of bicycle simulators for\nimproving bicycle facility design and operations.
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