This synthesis report will be of interest to traffic control plan designers and administrators; highway engineers (traffic, safety, project, and resident construction); highway construction contractor … [Read more...] about Development and Implementation of Traffic Control Plans for Highway Work Zones
Rural Highways
Controlling Vehicle Speeds in Highway Construction Zones
The objective of this project was to evaluate the effectiveness of alternative treatments for controlling vehicle speeds in work zones. Field studies were conducted at three rural, high-speed … [Read more...] about Controlling Vehicle Speeds in Highway Construction Zones
New Design Standards for Streets and Highways
As collisions with fixed objects are a leading cause of traffic fatalities in Texas, TxDOT is proposing changes to improve the crash worthiness of barricades and sign supports. This article discusses … [Read more...] about New Design Standards for Streets and Highways
Safety Audit Procedures for Existing Roads
This document discusses the objectives of the safety audit and the importance of it. It serves as a manual on the audit procedure and covers rural and urban road inspections and day vs. night … [Read more...] about Safety Audit Procedures for Existing Roads
Speed Reduction Effects of Changeable Message Signs in a Construction Zone
This study evaluated the vehicular speed reduction effects of displaying speed limit and information messages on a changeable message sign (CMS) placed inside the work activity area in a work zone for … [Read more...] about Speed Reduction Effects of Changeable Message Signs in a Construction Zone
Evaluation of Work Zone Speed Limit Signs with Strobe Lights
The construction zone speed limit sign used in Illinois consists of a regulatory 45 mph speed limit sign augmented with two small strobe lights and two orange colored plates. When the lights are … [Read more...] about Evaluation of Work Zone Speed Limit Signs with Strobe Lights