Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This guideline covers various types of positive protection devices that can be easily placed and moved for short duration and short term work operations, especially compared with traditional portable …MoreTruck-Mounted Attenuators
Featured Items:
Operation & Application of Truck-Mounted Attenuators (TMAs) (Training)
This course is an introductory course on the operation and application of TMAs in work zones. The course applies workable concepts, applications, and recommended practices in the deployment, operation… More
Operation & Application of Truck-Mounted Attenuators Train-the-Trainer (TMAT) (Training)
Truck-mounted attenuators (TMAs) reduce the severity of rear-end crashes from errant vehicles, protecting both workers and vehicle occupants. TMAs save lives, so properly operating this important piec… More
Inventory of Best Practices to Prevent Incursions into Work Zones – Literature Review (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The aim of this report was to review the literature to identify existing best practices used to prevent incursions into work zones and improve safety of road users and road workers. A systematic liter…MoreLooking Deep into the Eyes: Green Light on TMAs Could be Another Option for DOTs (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Truck-mounted attenuator (TMA) has been used as a countermeasure to help improve safety in mobile work zones. However, 139 TMA crashes occurred in Missouri from 2012 to 2017 with distracted driving be…MoreEvaluation of Green Lights on TMAs (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The use of green versus traditional amber lights on Truck Mounted Attenuators (TMAs) was investigated to see if their use could help to improve safety in mobile work zones. Four light color configurat…More2018 National Work Zone Management Conference
September 11-13, 2018
Herndon, Virginia
Program in PDF
Tuesday, September 11
Wednesday, September 12
Thursday, September 13
Tuesday, September 11
8:00 am - 11:00 pm
Gener… More
Can Self-Driving Equipment Make Work Zones Safer? (Publication)
Resource Type: News and Other Non-research Articles
Warning signs, barriers, and truck-mounted attenuators (TMA) can reduce some of the risks workers face in highway work zones, but they cannot eliminate the hazards. This past summer, Colorado Depar…MoreColorado Touts Nation’s First Deployed Driverless Work Zone Impact-Protection Truck (Publication)
Resource Type: News and Other Non-research Articles
On August 18, Colorado Department of Transportation (CDOT) and a group of partners that helped develop the new "autonomous impact-protection vehicle" showcased the AIPV in action without a driver behi…MoreCDOT and Partners Deploy World’s First Self-Driving Work Zone Vehicle (Publication)
Resource Type: Other News Releases
The Colorado Department of Transportation (CDOT) and a host of partners showcased the Autonomous Impact Protection Vehicle (AIPV) in action without a driver behind the wheel during a live roadway stri…MoreCDOT Purchases the World’s First Automated Self-Driving Construction Vehicle (Publication)
Resource Type: News and Other Non-research Articles
When Robert Roy was helping to create the world's first self-driving construction truck, he traveled across the country and talked to people in the construction industry. He learned that drivers of cr…MoreCDOT Tests Self-Driving Work Zone Vehicle: Video (Publication)
Resource Type: News and Other Non-research Articles
The Colorado Department of Transportation (CDOT) unveiled its Autonomous Impact Protection Vehicle (AIPV), a driverless crash cushion truck designed to advance safety for roadway maintenance crews. CD…MoreColorado DOT and Partners to Unveil Self-Driving Work Zone Vehicle (Publication)
Resource Type: News and Other Non-research Articles
Royal Truck & Equipment, a US manufacturer of truck mounted attenuator (TMA) trucks, is to unveil the Colorado Department of Transportation autonomous attenuator truck, along with partners at C…MoreBest Practices for Maximizing Driver Attention to Work Zone Warning Signs (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Studies have shown that rear-end crashes in the advance warning area for a work zone are the most common type of work zone crashes. Driver inattention (or distraction) is reported as the most commo…MoreShadow Stretching: New Attenuator Research Adjusts to Heavier Traffic (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This article highlights the potential challenges of safely protecting work operations with shadow vehicles on high-speed facilities serving significant numbers of large trucks. It illustrates the i…MorePortable Positive Protection: A Guide for Short Duration and Short Term Work Zones (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This guideline covers various types of positive protection devices that can be easily placed and moved for short duration and short term work operations, especially compared with traditional portable …MorePortable Positive Protection: A Guide for Short Duration and Short Term Work Zones
September 2015
PDF Version [3.8 MB]
Developed by ATSSA for the FHWA Work Zone Safety Grant Program
Note: This document cites specific products solely to illustrate the concept of portable… More
Driverless Construction Zone Truck Due to Hit the Road This Year (Publication)
Resource Type: Articles, News and Other Non-research Articles
The first of the autonomous attenuator trucks is expected to go into operation in Florida later this year as part of a pilot program run by the state's transportation department. Developed by Royal Tr…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…MoreGreater Efficiency with Highway Work Zone Safety (Publication)
Resource Type: Articles
This article highlights the ability to add cranes, scissor lifts, camera-communication towers, and other equipment on Mobile Barriers MBT-1. It also reports on Trinity Highway Product’s MPS 350X hig…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…MoreImproving the Process for Providing Mobility and Safety in Work Zones: 2008 Summary Report (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Minnesota Department of Transportation (MnDOT) conducted a review of their “Process for Providing Mobility and Safety in Work Zones.” The review meetings provided an opportunity for districts to f…MoreWorker Safety During Operations with Mobile Attenuators (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
While most transportation agencies are very familiar with truck-mounted attenuators, trailer-mounted attenuators are increasing in popularity. There is a concern for the level of protection that atten…MoreGuidelines for the Use of Truck Mounted Attenuators (TMAs) (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
TMAs are required for the protection of work adjacent to all high speed high traffic volume roads. These guidelines provide standardized guidance for planning works involving TMAs including functional…MoreEvaluation of Innovative Traffic Safety Devices at Short-Term Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The objective of this study was to investigate and evaluate the usage and effectiveness of innovative traffic control devices that can be used in short-term work zones. Any device to be used in short-…MoreShadow Vehicles for Work Zones Training Module (Training)
This training module provides criteria for the use of shadow vehicles and Truck Mounted Attenuators (TMAs) in work zones. Module materials are based on the product "Field Guide for the Use and Placeme… More
Work Zone Positive Protection Guidelines (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The goal of this project was to develop implementation guidance that the Texas Department of Transportation (TxDOT) can use to make better decisions regarding when and where to use positive protection…More