This synthesis will be of interest to traffic engineers in both the public and private sectors, as well as to design engineers, safety and law enforcement officials, traffic signal technicians, and others concerned with the accommodations of nonmotorized transportation (pedestrians and bicycles) on the roadway. The synthesis describes the traffic conditions, signalization, signing, and geometric design issues associated with accomodating left-turning vehicles at intersections. This report of the Transportation Research Board discusses the basic concerns related to left-turn movements and the guidelines and requirements for handling these movements in the traffic stream. It also addresses the design criteria for left-turn treatments and the performance measures frequently applied to determine their effectiveness. The synthesis discusses the specific requirements for signing and pavement markings, and the various elements of traffic signal requirements, signal design and installation, phasing, optimization, and lane-use controls. There is also a description of special applications such as U-turn control, pedestrian requirements, bicycles, and transit interface.
Left-Turn Treatments at Intersections. A Synthesis of Highway Practice
1996
95 pages
Report
No indication
English
Derivation of Decision Boundaries for Left-Turn Treatments at Signalized Intersections
Transportation Research Record | 2017
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