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
Construction and Maintenance Equipment
Visual Warning System for Worker Safety on Roadside Workzones
Growing traffic on US roadways and heavy construction machinery on road construction sites pose a critical safety threat to construction workers. This report summarizes the design and development of a … [Read more...] about Visual Warning System for Worker Safety on Roadside Workzones
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
Impacts of Construction Work Zone Equipment and Operations on Vehicle Speeds
Mobile construction operations that are conducted at night and do not employ positive barrier systems present significant safety hazards for workers and motorists. As part of several research studies … [Read more...] about Impacts of Construction Work Zone Equipment and Operations on Vehicle Speeds
Construction Access Points
Developed by Ohio Department of Transportation (ODOT) for use on ODOT construction projects, Construction Access Points are Standard plan detail drawings that show where trucks can enter/exit highways … [Read more...] about Construction Access Points
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