Abstract
Transit Signal Priority (TSP) shows capability to improve traffic operations through providing transit vehicles a higher priority to cross intersections. However, implementing TSP could impose extra delays to the adjacent traffic. Specifically, TSP imposes extra delay on turning traffic that could be solved by converting the intersections to unconventional intersection. To do so, this paper models assesses and evaluates the possibility for implementing a TSP in arterial roadway in Amman, capital of Jordan, by using real traffic data under different scenarios including conventional and unconventional intersection designs. The evaluation was done using simulation. Simulation results show that the TSP implementation reduces system travel time and improves the overall system delay. Specifically, implementing the combination of TSP with unconventional intersection design reduces corridor travel time, system delay, and queue length. Moreover, simulation results indicated that applying TSP improves individual movements travel time and delay up to 35% per vehicle.
Highlights
Urban networks globally suffer from longer travel time and queues, increasing in delay, higher emissions, and lower travel speed
The delay was reduced by 4 sec/veh it can be seen that the total travel time has been improved by 5 %
This paper analyzed the operational efficiency of implementing Transit signal priority (TSP) for Bus Rapid Transit (BRT) in real case study in Jordan
Summary
Urban networks globally suffer from longer travel time and queues, increasing in delay, higher emissions, and lower travel speed. ATS aims to improve intersection performance by minimizing delays at traffic signals, which is considered an important factor in network travel time. Deploying Bus Rapid Transit (BRT) systems as an APTs enhances life quality, reduces travel time and dwell time, and provides a cost-effective transportation mode in urban area as compared with the light rail projects. BRT is defined as an “enhanced bus system that operates on bus lanes or other transit ways in order to combine the flexibility of buses with the efficiency of rail. It utilizes a combination of advanced technologies, infrastructure and operational investments that provide significantly better service than
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