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
Types of Roads
A Guide to Urban Work Zone Temporary Traffic Control
This guide describes the characteristics that are specific to urban work zones and provides possible mitigation strategies to address site-specific safety issues. Urban work zones present unique … [Read more...] about A Guide to Urban Work Zone Temporary Traffic Control
Delay and User Cost Estimation for Work Zones on Urban Arterials
This is the final project report of NCDOT research project 2013-09: Delay and User Cost Estimation for Work Zones on Urban Arterials. The project seeked to develop a methodology for quantifying delay … [Read more...] about Delay and User Cost Estimation for Work Zones on Urban Arterials
Evaluation of Alternative Methods of Temporary Traffic Control on Rural One-Lane, Two-way Highways
This report describes the methodology and results of analyses performed to identify and evaluate alternative methods for rural, one-lane, two-way temporary traffic control for maintenance operations. … [Read more...] about Evaluation of Alternative Methods of Temporary Traffic Control on Rural One-Lane, Two-way Highways
Guidance: Temporary Traffic Control for Work Zones on Unpaved Roads
Guidance: Temporary Traffic Control for Work Zones on Unpaved Roads was created to supplement the 2009 Edition of the national Manual on Uniform Traffic Control Devices (MUTCD) by providing commentary … [Read more...] about Guidance: Temporary Traffic Control for Work Zones on Unpaved Roads
Effects of Road Construction Intensity and Operations on Rural Freeway Work Zone Capacity
Capacity is affected by construction type and its intensity on adjacent open traffic lanes. The effect on capacity is a function of vehicles moving in and out of the closed lanes of the work zone, and … [Read more...] about Effects of Road Construction Intensity and Operations on Rural Freeway Work Zone Capacity