Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This document summarizes available methods for transportation agencies and road contractors to design and operate work zones to reduce the risk of large truck crashes. Large trucks include vehicles co…MoreRear End Crashes
Featured Items:
Safe Trucking Through Work Zones (Publication)
Resource Type: Brochures and Fact Sheets
This brochure offers safety tips for trucking through work zones. Statistics and the most commonly occurred types and locations of large truck crashes in work zones are also provided.MoreSWZ: Technology Applications Types of Applications: Queue Warning
Queue warning systems are designed to quickly detect the presence of queues at the work zone and warning approaching motorists that traffic is slowed or stopped ahead.
Application guidelines f… More
Treating Potential “Back-of-Queue” Safety Hazards (module) (Training)
The purpose of this document is to highlight strategies that can help reduce the work zone congestion that increases back-of-queue crash risk. Studies have shown that rear-end crashes in the advance w… More
Guidelines on Use of Exposure Control Measures (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Guidelines on Use of Exposure Control Measures summarizes the various types of exposure control measures and discusses how each can improve the safety of workers and motorists in work zones. The docum…MoreTreating Potential Back-of-Queue Safety Hazards (Publication)
Resource Type: Brochures and Fact Sheets
This fact sheet is designed to highlight common pitfalls in estimating potential impacts that can result from implementing a traffic control plan as well as strategies that can help reduce work zone c…MoreAssessing the Impacts of Connected-Vehicle Technology on Work Zone Rear-End Collisions: Agent-Based Modeling Approach (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The objective of this paper is to assess the impacts of connected vehicle technology on work zone rear-end collisions through an agent-based modeling approach. This research is primarily motivated by …MoreSmart Phone Based Forward Collision Warning Messages in Work Zones to Enhance Safety and Reduce Emissions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Collisions in work zones have always been a contributing factor in compromising safety on urban roadways. National Highway Traffic Safety Administration (NHTSA) and State Transportation Authorities ha…MoreDesign and Operation of Work Zone Strategies to Improve Large Truck Safety (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This document summarizes available methods for transportation agencies and road contractors to design and operate work zones to reduce the risk of large truck crashes. Large trucks include vehicles co…MoreComparative Study on Beijing and Singapore’s Work Zone Rear-End Crash Risks (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper aims to compare the rear-end crash risk in work zone activity areas by using work zone traffic trajectory data collected from Singapore and Beijing, as well as analyze the differences of th…MoreWork Zones Versus Nonwork Zones: Risk Factors Leading to Rear-End and Sideswipe Collisions (Publication)
Resource Type: Articles, Books, Reports, Papers, and Research Articles
Tens of thousands of vehicular collisions occur annually in work zones with nearly double the fatality risk as compared to all collisions (work zone and nonwork zone). Due to this increase in risk, th…MoreSafety Effects of Portable End-of-Queue Warning System Deployments at Texas Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Reducing upstream end-of-queue crashes at work zone lane closures has been a focus of the Texas Department of Transportation (TxDOT) for several years. An ongoing widening effort on Interstate 35 (I- …MoreSafe Trucking Through Work Zones (Publication)
Resource Type: Brochures and Fact Sheets
This brochure offers safety tips for trucking through work zones. Statistics and the most commonly occurred types and locations of large truck crashes in work zones are also provided.MoreSWZ: Technology Applications Types of Applications: Queue Warning
Queue warning systems are designed to quickly detect the presence of queues at the work zone and warning approaching motorists that traffic is slowed or stopped ahead.
Application guidelines f… More
In-Depth Analysis of Drivers’ Merging Behavior and Rear-End Crash Risks in Work Zone Merging Areas (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study investigates the drivers’ merging behavior and the rear-end crash risk in work zone merging areas during the entire merging implementation period from the time of starting a merging maneu…MoreAnalysis of Expected Crash Reduction Benefits and Costs of Truck-Mounted Attenuator Use in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A truck-mounted attenuator (TMA) is a device that attaches to the back of a work truck to help protect work crews and the traveling public from the severe consequences of rear-end crashes between moto…MoreSmart Phone Based Forward Collision Warning Messages in Work Zones to Enhance Safety and Reduce Emissions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Collisions in work zones have always been a contributing factor in compromising safety on urban roadways. National Highway Traffic Safety Administration (NHTSA) and State Transportation Authorities ha…MoreAnalysis of Work Zone Rear-End Crash Risk for Different Vehicle-Following Patterns (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study evaluates rear-end crash risk associated with work zone operations for four different vehicle-following patterns: car–car, car–truck, truck–car and truck–truck. The deceleration rat…MoreCrashes Continue in I-80 Construction Zone in North Sacramento (Publication)
Resource Type: Articles, News and Other Non-research Articles
The big Interstate 80 reconstruction work zone in north Sacramento continues to be a problem for some drivers. On average, there has been a crash a day there since last summer, 80 percent of which are…MoreTraffic Accidents in Connection to Road Work in Sweden (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Each year at least 300 traffic accidents occur in connection to road work in Sweden in which people are injured or killed. The two types of accidents that are most common are rear-end collisions and a…MoreFlagger Effects in Reducing the Likelihood of Rear-End Collisions for In-Platoon Vehicles in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Rear-end collisions are among the most dominant crash types in work zones. Three factors may increase the potential of rear-end collisions in work zones: following too closely, speeding, and faster tr…MoreWork Zone Safety Data Collection and Analysis Guide
PDF Version [3.84 MB]
January 2013
This material is based upon work supported by the Federal Highway Administration under Grant Agreement No. DTFH61-06-G-00004
Table of Cont… More
Treating Potential “Back-of-Queue” Safety Hazards (module) (Training)
The purpose of this document is to highlight strategies that can help reduce the work zone congestion that increases back-of-queue crash risk. Studies have shown that rear-end crashes in the advance w… More
Highway Accident Report: Multivehicle Collision, Interstate 44 Eastbound, Gray Summit, Missouri, August 5, 2010 (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
On August 5, 2010, in Gray Summit, Missouri, traffic slowed in the approach to an active work zone on eastbound Interstate 44. A 2007 Volvo truck-tractor with no trailer was traveling in the right lan…MoreRear-End Crash Potential Estimation in the Work Zone Merging Areas (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper proposed a methodology to estimate rear-end crash potential of the merging vehicles traveling in the merge lane, on the basis of the traffic data extracting from the available videotapes. F…MoreFlagger Effects in Reducing Likelihood of Rear-End Collisions in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Rear-end collisions are among the most dominant crash types in work zones. This study explores the effectiveness of flaggers in reducing the frequency of very short headways and the likelihood of rear…MoreEvaluation of Rear-End Crash Risk at Work Zone Using Work Zone Traffic Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper aims to evaluate the rear-end crash risk at work zone activity area and merging area, as well as analyze the impacts of contributing factors by using work zone traffic data. Here, the rear-…MoreWoman, 52, Rear Ends Log Truck in Work Zone on Oregon 140 (Publication)
Resource Type: Articles, News and Other Non-research Articles
A 52-year-old woman who was driving with her cruise control set to 55 mph rear-ended an empty log truck on Oregon 140. The woman did not see the flagger who was signaling her to stop and forced him to…MoreGuidelines on Use of Exposure Control Measures (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Guidelines on Use of Exposure Control Measures summarizes the various types of exposure control measures and discusses how each can improve the safety of workers and motorists in work zones. The docum…MoreTreating Potential Back-of-Queue Safety Hazards (Publication)
Resource Type: Brochures and Fact Sheets
This fact sheet is designed to highlight common pitfalls in estimating potential impacts that can result from implementing a traffic control plan as well as strategies that can help reduce work zone c…MoreTreating Potential Back-of-Queue Safety Hazards
PDF version [3.45 MB]
June 2009
The purpose of this document is to highlight strategies that can help reduce the work zone congestion that increases back-of-queue crash risk. It is widel… More
Driver-Eye-Movement-Based Investigation for Improving Work-Zone Safety (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Crashes continue to be a problem in work zones. Analyses have indicated that rear-end and sideswipe crashes are the most frequent. Investigators have hypothesized that distractions are often the cause…MoreTraffic Control Strategies for Congested Freeways and Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The primary objective of the research was to identify and evaluate effective ways of improving traffic operations and safety on congested freeways. There was particular interest in finding condition-r…MoreComparison of Characteristics Between Fatal and Injury Accidents in the Highway Construction Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway construction zone safety has been a research focus in many countries for many decades. In the United States, regardless of the research efforts devoted, highway construction zones remain a ser…MoreStudy Cites Rear-End Collisions as Number 1 Work-Site Danger for Drivers (Publication)
Resource Type: Articles, News and Other Non-research Articles
According to a study conducted by the Liberty Mutual Research Center for Safety and Health, rear-end collisions account for 41% of all vehicular accidents that occur at roadway construction sites. The…MoreVehicle Accidents in Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The magnitude and characteristics of safety problems associated with moving vehicular traffic through and around highway work zones are examined through an analysis of all of the reported work zone ac…MoreAccident Characteristics Before, During, and After Safety Upgrading Projects on Ohio’s Rural Interstate System (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In 1973, minor safety upgrading projects were conducted at 21 locations on the rural Interstate system of Ohio, involving 618 km (384 miles) of freeways. In 1972, the accident rate per million vehicle…MoreCost of Highway Work Zone Injuries (Publication)
Resource Type: Articles, Books, Reports, Papers, and Research Articles
Two types of accidents occur in highway work zones: those that involve construction workers, which account for 30% of the accidents; and those that involve motorists outside the construction area, whi…MoreCrash Characteristics at Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A clear understanding of work zone crashes will enhance the selection of the appropriate measures that can minimize the negative impacts of work zones. This study investigated the characteristics of …MoreSpeed Variations Are Major Cause of Work Zone Crashes (Publication)
Resource Type: Articles, News and Other Non-research Articles
Rear-end collisions cause the preponderance of work zone crashes in Virginia, indicating that a high variance in vehicle speeds is the major cause of accidents in work zones, according to a VDOT-spons…MoreFrequency of Work Zone Accidents on Construction Projects (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The overall objective of this research was to study work zone accidents in New York State, with particular attention to the occurrence and mitigation of rear-end vehicle accidents. The specific object…MoreFatality Assessment and Control Evaluation (FACE) Report for Oklahoma: Hispanic Laborer Died after Being Struck by a Vehicle in a Roadway Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A 23-year-old Hispanic utility contracting company worker died on December 30, 2003 from head injuries he received after being struck by a vehicle in a roadway work zone. He and a co-worker were clean…MoreDriving Simulator Evaluation of Driver Performance During Hands-Free Cell Phone Operation in a Work Zone: Driving Without a Clue. (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Crashes continue to be a problem in work zones. Analyses have indicated that rear-end and sideswipe crashes are the most frequent. Investigators have hypothesized that distractions are often the cause…More