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Modelling The Surrogate Safety Of Various Left-Turn Phase Sequences, Rohith Prakash Panthangi
Modelling The Surrogate Safety Of Various Left-Turn Phase Sequences, Rohith Prakash Panthangi
Transportation Engineering Masters Projects
Left-turns are the most complex maneuvers in a signalized intersection. Based on the flow of the traffic volume through a given intersection, the left-turn phasing may be controlled in various fashions such as: protected only, permissive only, and protected/permissive. Following the introduction of the flashing yellow arrow (FYA) to the 2009 Edition of the Manual on Uniform Traffic Control Devices (MUTCD), many state agencies have implemented these indications for their left-turn permissive movements. Similar to the existing circular green (CG) permissive indication, the FYA requires drivers to yield to oncoming vehicles before making their left-turn. However, given the novelty of …