Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 2 of 2
Full-Text Articles in Engineering
Guidelines For The Installation Of Left-Turn Phasing, Kenneth R. Agent, Nikiforos Stamatiadis, Bryan Dyer
Guidelines For The Installation Of Left-Turn Phasing, Kenneth R. Agent, Nikiforos Stamatiadis, Bryan Dyer
Kentucky Transportation Center Research Report
The objective of this study was to update the guidelines to be considered when determining whether left-turn phasing should be used and the appropriate type at phasing to use. Emphasis was placed on high speed areas.
There were 264 intersections included in the study with data obtained tor 518 approaches at these intersections. The data included accidents and characteristics at the intersection. Traffic conflict data were collected. Simulation models were used to estimate delays.
Recommendations were made concerning guidelines to consider when deciding whether to install left turn phasing and whether to use protected-only or protected/permitted phasing. Variables considered included …
Development Of A Safety Management System, Kenneth R. Agent, Jerry G. Pigman
Development Of A Safety Management System, Kenneth R. Agent, Jerry G. Pigman
Kentucky Transportation Center Research Report
The Safety Management System (SMS) is one of six management systems mandated by Section 1 034 of the 1991 lntermodal Surface Transportation Efficiency Act (ISTEA). The overall goal of a SMS is to reduce the number and severity of traffic crashes. lt is to be comprehensive in that it incorporates all public roads and all contributing factors associated with the driver, the vehicle, and the roadway. The objective of this study was to develop a procedure to implement a SMS for Kentucky. A recommended process is described. Agencies and organizations were identified which have a role or interest in traffic …