This report presents a comprehensive analysis of work zone safety considering multiple factors, including crash severity, speed analysis, countermeasure analysis, and state-of-the-practice in DOTs. It … [Read more...] about Construction Work Zone Safety: Spatio-Temporal Analysis of Construction Work Zone Crashes
Utah Department of Transportation
Use of Variable Speed Limits in Construction Zones: Concept of Operations
The Utah Department of Transportation is looking to implement smart work zone technology to manage the prudent reduction of speeds within work zones while minimizing the effects of the work zone on … [Read more...] about Use of Variable Speed Limits in Construction Zones: Concept of Operations
Evaluation of the Effectiveness of a Variable Advisory Speed System on Queue Mitigation in Work Zones
Variable Advisory Speed Systems (VASS) provide drivers with advanced warning regarding traffic speeds downstream to help them make better decisions. Vehicle use on highways is increasing and the need … [Read more...] about Evaluation of the Effectiveness of a Variable Advisory Speed System on Queue Mitigation in Work Zones
Flagger Training Handbook
This handbook outlines the flagging procedures to be followed and identifies responsibilities to achieve the desired end result - safer work zones with minimal impact on the traveling public. … [Read more...] about Flagger Training Handbook
Variable Speed Limit Sign: Effects on Speed and Speed Variation in Work Zones
Variable Speed Limit (VSL) signs are used across the country in conjunction with Intelligent Transportation Systems to lower posted speed limits in areas affected by conditions such as congestion, … [Read more...] about Variable Speed Limit Sign: Effects on Speed and Speed Variation in Work Zones
Spatial and Temporal Analyses of Work Zone Crashes and Investigation of Relationships Between Work Zone Traffic Control Measures and Crash Characteristics
The deterioration of highway infrastructure requires reconstruction, rehabilitation, resurfacing, widening, etc to better serve the users. In order to efficiently and safely manage the traffic for all … [Read more...] about Spatial and Temporal Analyses of Work Zone Crashes and Investigation of Relationships Between Work Zone Traffic Control Measures and Crash Characteristics