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Strategies for Mitigating Impacts of Near-Side Bus Stops on Cars

  • Author(s): Gu, Weihua
  • Cassidy, Michael J.
  • Gayah, Vikash V.
  • Ouyang, Yanfeng
  • et al.
Abstract

"Near-side stops" are bus stops located a short distance upstream of a signalized intersection. A bus dwelling at a near-side stop can impede queued cars upstream as they discharge during their green time at the intersection. Added car delays and residual queues can result. All else equal, the closer the stop’s location to the intersection, the greater the potential damage to car traffic. Models for locating these near-side stops to achieve target levels of residual queueing among cars are formulated using kinematic wave theory. This same approach was also used to develop a strategy for further mitigating residual car queues by temporarily detaining some buses from reaching the stop. This bus-holding strategy can be applied selectively, so that the times that held buses depart from the stop are not affected. The strategy therefore will not delay buses over the longer run. Assessments indicate that this holding strategy can significantly reduce instances of car delays and residual queueing, especially for stops that are located very close to their intersections.

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