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workzonesafety.org

National Work Zone Safety Information Clearinghouse

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

  • Crash Information
    • Work Zone Fatal Crashes and Fatalities
    • National Estimates of Total and Injury Work Zone Crashes
    • Work Zone Fatal Crash Facts
    • Other Work Zone Crash Related Resources
  • Flagger Information
    • Flagger Training and Certification Requirements by State
    • Flagging Resources Developed Under the FHWA Work Zone Safety Grant Program
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    • Videos
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  • Events and Conferences
    • National Work Zone Awareness Week 2021
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    • 2021 Transportation Construction Safety Events Calendar
  • Data Resources
    • Searchable Databases
    • Public Awareness
    • Laws, Regulations, Standards, and Policies
    • Manual on Uniform Traffic Control Devices (MUTCD)
  • Hot Topics
    • Improving Large Truck Safety in Work Zones
    • Smarter Work Zones
    • Transportation Management Plans
    • Accommodating Pedestrians
    • Rear End Crashes
    • Minimizing Construction Interferences with Traffic
    • Managing Speeds
    • Mobile/Short Duration Work Zones
    • Reducing Worker Run-overs and Back-overs
    • Working at Night
    • Reducing Worker Fatigue and Distraction Risks
You are here: Home / All entries for Crashes / Crash Causes

Crash Causes

A Tree-Based Ordered Probit Approach to Identify Factors Affecting Work Zone Weather-Related Crashes Severity in North Carolina Using the Highway Safety Information System Dataset (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zone crashes are still on the rise due to the aging of US roads and the increase in traffic demand. Investigation of crash characteristics and determining contributing factors in work zones is on…More

Examination of Causes and Effects of Accident on Construction Sites: (Case Study of Lagos, Lagos State, Nigeria) (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
The construction industry is assumed to be the most risky and hazardous of all industries due to the frequent high rates of accidents, ill-health and safety risks involving on construction sites. This…More

Using Binary Logistic Regression to Explain the Impact of Accident Factors on Work Zone Crashes (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
For consolidated road networks, the identification, programming, and implementation of maintenance actions enables addressing the deficiencies identified in the infrastructure, ensuring the provision …More

Exploring Factors Contributing to Injury Severity at Work Zones Considering Adverse Weather Conditions (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Despite recent efforts to improve work zone safety, the frequency and severity of crashes at work zones are still considerably high. The effect of work zones on traffic safety can be exacerbated by ad…More

Caltrans Shares Video of Big Rig Tumbling off NorCal Highway After Ignoring Road Signs (Publication)

Resource Type: News and Other Non-research Articles
A truck hauling cargo overturned and fell off the side of a highway in Mendocino County Thursday after its driver, Christopher Cortez, ignored multiple signs notifying motorists that any vehicle over …More

Busy Year for Iowa Road Construction Nears End with ‘Way Too Many’ Deaths in Work Zones (Publication)

Resource Type: News and Other Non-research Articles
10 people were killed  in work zone crashes in Iowa this year and 13, last year.   DOT officials said  the  problem  behind  the higher number of  work zone fatalities is a combination of more …More

Human Dynamics in Near-Miss Accidents Resulting from Unsafe Behavior of Construction Workers (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Near misses, as a common result of unsafe behavior and/or unsafe conditions, are precursors of accidents in the construction industry. Given the complexity of near misses, seeking regularities in time…More

FMCSA Says Rate of Truck-Occupant Deaths and Fatal Crashes Continues to Climb (Publication)

Resource Type: News and Other Non-research Articles
Increasing numbers of large-truck-involved fatal crashes in work zones and a continuing increase in the number of fatalities of large-truck occupants has been a cause of concern for Federal trucking r…More

Fatal Injuries Among Hispanic Workers in the U.S. Construction Industry: Findings from FACE Investigation Reports (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Identifying and understanding the characteristics of workplace accidents can provide vital information required to clarify their causes and prevent similar accidents from happening in the future. The …More

Exploration of Work Zone Crash Causes and Implications for Safety Performance Measurement Programs (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Police crash reports are a fundamental data source for state work zone safety performance measurement programs. Studies have often identified work zone crashes simply on the basis of their location an…More

Amtrak Didn’t Heed Work-Zone Speed Advice Before Fatal Crash (Publication)

Resource Type: News and Other Non-research Articles
After two track workers were killed five months ago, U.S. safety investigators urged Amtrak to slow its trains when they pass work crews.   But Amtrak failed to follow the safety recommendations.   …More

Exploration of Work Zone Crash Causes and Implications for Safety Performance Measurement Programs (Publication)

Resource Type: Articles
Police crash reports are a fundamental data source for state work zone safety performance measurement programs. Studies have often identified work zone crashes simply on the basis of their location an…More

Brutal Video Aimed at Saving Lives in Construction Zones (Publication)

Resource Type: Articles, News and Other Non-research Articles
In the past five years, 70 flaggers have been injured and 3 killed in British Columbia. Jennifer Beauregard was one of them. The 23-year-old flagger was flagging when she was struck by an inattentive …More

Identifying the Factors Contributing to Injury Severity in Work Zone Rear-End Crashes (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Egypt’s National Road Project is a large infrastructure project aiming to upgrade the existing network of 2500 kilometers as well as constructing new roads of 4000 kilometers to meet today’s need.…More

Mobile Barrier Trailer: A Critical Analysis of an Emerging Workzone Protection System (Publication)

Resource Type: Articles, Books, Reports, Papers, and Research Articles
Within the construction industry, the highway sector is particularly dangerous. Despite the fact that highway work zone safety has received significant attention from the research community, injury ra…More

Risk Factors Affecting Crash Injury Severity by Work Zone Area (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zones include advance warning area, transition area, and activity area. The geometric, traffic control aspects, traffic operations, and driver’s maneuverability differ within each work zone are…More

A Report on Questionnaire Survey on Highway Work Zone Safety Audits: Appendix A

Full Report APPENDIX A: FHWA Grant DTFH61-06-G-00005: Highway Work Zone Safety Audit Guidelines Development and Training Questionnaire Survey on Highway Work Zone Safety Audits PURPOSE OF THIS QUE… More

A Report on Questionnaire Survey on Highway Work Zone Safety Audits: Appendix B

Full Report APPENDIX B: Graphic Presentations of Survey Results Distribution of Survey Respondents 1. Leading causes of highway work zone safety problems 2. Effective measures for im… More

Impacts of Work Zone Configurations on Passenger-Car Crash Injury Severities (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zone safety remains a priority to the Federal Highway Administration, state highway departments, highway engineers, and the traveling public. Work zones create a hospitable environment for crashe…More

Risk Factors in Work Zone Safety Events: A Naturalistic Driving Study Analysis (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Identification of crash risk factors and enhancing safety at work zones is a major priority for transportation agencies. There is a critical need for collecting comprehensive data related to work zone…More

Improved Support Vector Machine Models for Work Zone Crash Injury Severity Prediction and Analysis (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zones are a high priority issue in the field of road transportation because of their impacts on traffic safety. A better understanding of work zone crashes can help to identify the contributing f…More

What Role Do Precrash Driver Actions Play in Work Zone Crashes?: Application of Hierarchical Models to Crash Data (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Highway infrastructure requires periodic maintenance, reconstruction, and rehabilitation. As a result, highway users have to deal with work zone activities such as lane closures and lane shifts or cro…More

Analysis of Work Zone Crash Reports to Determine Factors Associated with Crash Severity (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Highway work zones present an environment that leads to opportunities for traffic crashes that may not otherwise occur. To investigate the severity of work zone-related crashes and relationships betwe…More

Troopers Review Laws to Protect Road Crews After Fatal Accident (Publication)

Resource Type: Articles, News and Other Non-research Articles
North Carolina Highway Patrol reviewed laws in place to protect construction workers on the job after three workers were struck while working on I-40 in Morgantown on Friday. Troopers said inattention…More

Evaluation of Work Zone Crashes in California (Publication)

Resource Type: Books, Reports, Papers, and Research Articles
Work zone crashes have been a major concern of safety for many government agencies and travelling public. According to the Federal Highway Administration Fact & Statistics, there is need for maint…More

Enforcement Boosted in I-80 Work Zone After Truck Wrecks (Publication)

Resource Type: Articles, News and Other Non-research Articles
In about one week’s time, several large trucks overturned in the same location at the I-80 work zone in Johnson County. It raised some concerns about the conditions of pavement edges. The DOT has ad…More
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