National Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Data Collection

U.S. DOT Work Zone Data Exchange Project Webinar (Training)

The U.S. Department of Transportation's (U.S. DOT) Work Zone Data Exchange (WZDx) project aims to make travel on public roads safer and more efficient through ubiquitous access to data on work zone ac… More

Development of a Travel-Time Reliability Measurement System (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
This study has developed a computerized Travel-Time Reliability Measurement System (TTRMS), which can automate the time-consuming process of gathering and managing data from multiple sources and calcu…More

The Ubiquitous Orange Traffic Cone: An Observational Study (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Daily sightings of traffic cones were logged over a six-month period in an attempt to provide data about the frequency and novelty of such encounters, and to yield examples of the variety of uses …More

Improving Work Zones Every Day, in Every Way (Publication)

Resource Type: News and Other Non-research Articles
In 2015, over 700 people were killed, and 35,000 people injured in more than 96,000 work zone related crashes.  This article discusses a comprehensive set of programs, strategies, and tools the Feder…More

Work Zone Intrusion Report Interface Design (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
While necessary for roadways, work zones present a safety risk to crew. Half of road workers deaths between 2005 and 2010 were due to collisions with motorists intruding on the work zone. Therefore, a…More

Work Zone ITS Implementation Tool v1.0 (Publication)

Resource Type: Websites
Intelligent Transportation System (ITS) technology enables solutions that serve broader Transportation System Management and Operations (TSMO) objectives.   Specifically, ITS deployments can be part …More

System to Provide Data on Risky Work-Zone Incidents (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zone intrusions are a serious safety concern.  Researchers at the University of Minnesota’s HumanFIRST Laboratory created a system for road crew workers to report work zone intrusions. The res…More

Feasibility of Lane Closures Using Probe Data (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
To develop an adequate traffic operations management and congestion mitigation plan for every roadway maintenance and construction project requiring lane closures, transportation agencies need accurat…More

Best Practices for Managing Work Zone Data (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
This work investigated methods and best practices that agencies use to manage work zone data. Information gathered from the survey includes types of data collected, methods used for data collection, d…More

Highway Worker Safety: A Synthesis of Highway Practice (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 509: Highway Worker Safety identifies how state departments of transportation (DOTs) implement policies using highway worker safet…More