A portable traffic signal (PTS) system is a traffic control device designed to facilitate the movement of one-way traffic at work zones where there is a temporary lane closure. The 2009 edition of the … [Read more...] about Model Development for Use of Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
Maintenance Equipment
Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
A portable traffic signal (PTS) system is designed to move traffic through two-way rural highway work zones with one lane open to traffic. The primary objective of this study was to evaluate the use … [Read more...] about Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones
The primary objective of this study was to evaluate the use of Portable Traffic Signal (PTS) systems at long, rural two-lane work zones and to compare three different conditions for controlling … [Read more...] about Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones
Portable Positive Protection: A Guide for Short Duration and Short Term Work Zones
This guideline covers various types of positive protection devices that can be easily placed and moved for short duration and short term work operations, especially compared with traditional portable … [Read more...] about Portable Positive Protection: A Guide for Short Duration and Short Term Work Zones
Certified Escort Driver
Under an agreement with the Arizona Department of Transportation, the Arizona Trucking Association offers Escort Vehicle Operator training and certification, issues the recognized certification cards … [Read more...] about Certified Escort Driver
Effectiveness of Pilot Car Operations in Reducing Speeds in Long-Term Rural Highway Work Zone
Pilot cars are used in one-lane two-way work zones to guide traffic and keep their speeds within posted limits. While many studies have examined the effectiveness of measures to reduce vehicle speeds … [Read more...] about Effectiveness of Pilot Car Operations in Reducing Speeds in Long-Term Rural Highway Work Zone