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Safety Effects Of Traffic Signal Installations On State Road Intersections In Northeast Florida, Christopher Ledew
Safety Effects Of Traffic Signal Installations On State Road Intersections In Northeast Florida, Christopher Ledew
Electronic Theses and Dissertations
The purpose of this thesis is to explore how the installations of traffic signals affect crash experience at intersections, to identify those factors which help predict crashes after a signal is installed, and to develop a crash prediction model. It is the intent of this thesis to supplement the Manual on Uniform Traffic Control Devices Signal Warrant procedure and aid the traffic engineer in the signal installation decision making process. Crash data, as well as operational and geometric factors were examined for 32 state road intersections in the northeast Florida area before and after signal installation. Signal warrant studies were …
Right Turn Split: A New Design To Alleviate Weaving On Arterial Streets, Khaled Shaaban
Right Turn Split: A New Design To Alleviate Weaving On Arterial Streets, Khaled Shaaban
Electronic Theses and Dissertations
While weaving maneuvers occur on every type of roadway, most studies have focused on freeway maneuvers. Weaving occurring on non-freeway facilities, such as arterial streets, can cause significant operational problems. Arterial streets weaving typically occur when vehicles coming from a side street at an upstream intersection attempt to enter the main street from one side to reach access points on the opposite site at a downstream intersection by crossing one or more lanes. This dissertation investigates the type of problems occurring on arterial streets due to the weaving movements and recommends a new design to alleviate weaving on arterial streets. …