Resource Type: Books, Reports, Papers, and Research Articles
This paper describes the development and full-scale crash testing of a reusable truck mounted attenuator that dissipates kinetic energy through the lateral deformation of a nested cluster of high mole…MoreCrash Tests
Development of an NCHRP Report 350 TL-3 New Jersey Shape 50-Inch Portable Concrete Barrier (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
For roadside work-zones in areas that have opposing traffic flow, safety is enhanced if the temporary barriers incorporate a glare-shield that blocks headlight glare from oncoming traffic. Currently-a…MoreInternational Harmonization of Testing and Evaluation Procedures for Roadside Safety Features – German Testing Procedures (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This Circular contains the proceedings of a workshop sponsored by the Transportation Research Board (TRB) Committee A1A04 on Roadside Safety Features and the Federal Highway Administration. The worksh…MoreSafety Performance Evaluation of Minnesota’s Low-Height, Temporary Rigid Panel Sign Stand (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A wide variety of traffic controlling devices are used in work zones, some of which are not normally found on the roadside or in the traveled way outside of the work zones. These devices are used to e…MoreTesting and Evaluation of Work Zone Traffic Control Devices (May 1 to August 31, 1991) (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Texas Department of Transportation (TxDOT) is currently using or considering to use various plastic traffic control devices in work zones. Of special interest are chevron signs, vertical panels, a…MoreCrash Performance of X-shaped Support Base Work Zone Temporary Sign Structures (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Results from numerical analyses of temporary sign structure crash tests are compared with test data to assess both their crashworthiness and numerical model effectiveness. In addition, a parametric st…MoreCrash Testing and Evaluation of Work Zone Traffic Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Safety of work zones is a major area of concern since it is not always possible to maintain a level of safety comparable to that of a normal highway not under construction. Proper traffic control is c…MoreMASH 2016 Evaluation of a Non-Proprietary Type III Barricade (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Several work-zone traffic control devices have not yet been evaluated to the American Association of State Highway and Transportation Officials' (AASHTO's) Manual for Assessing Safety Hardware, Second…MoreSafety Performance Evaluation of Michigan’s Temporary Traffic Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A wide variety of traffic controlling devices are used in work zones, some of which are not normally found on the roadside or in the traveled way outside of the work zones. These devices are used to e…MoreDOT Joins George Washington University at Ground Breaking for New Crash Center (Publication)
Resource Type: Other News Releases
The U.S. Department of Transportation joined The George Washington University in breaking ground for a new crash test facility in Loudoun County, VA. The new 80,000 square-foot facility will include a…MoreCrash Tests of Work Zone Traffic Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Full-scale vehicle crash tests were used to evaluate performance of typical work zone traffic control devices. Modified test procedures and evaluation criteria from National Cooperative Highway Resear…MoreNCHRP Report 350 Compliance Tests on Rockingham Precast Concrete Barriers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Rockingham Precast has developed a connection for the F-shaped Concrete Median Barrier (CMB). The connection is similar to the New York design in that it consists of a T-shape connector that slides i…MoreRequirements for Crash Testing of Work Zone Devices (NCHRP 350) (Publication)
Resource Type: News and Other Non-research Articles
This article discusses ATSSA's Temporary Traffic Control Committee's efforts to comply with NCHRP 350. A brief historical review of this group's actions is included.MoreDevelopment of a Plan for Compliance with NCHRP 350 for Temporary Concrete Barriers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Federal Highway Administration (FHWA) has mandated that TCBs used on federally funded projects on the National Highway System (NHS) advertised after October 1, 2002 shall meet the requirements of …MoreTwo-Dimensional Modeling of Collision Dynamics of Deflecting Concrete Barriers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Freestanding concrete highway barriers were originally implemented for work-zone applications. These barriers are becoming more widespread in their use and have been implemented in some innovative cou…MoreCompliance Testing of an End Treatment for the Low-Profile Concrete Barrier (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Full-scale crash testing was completed in this project to assure that a previously developed low-profile end treatment complies with test level 2 criteria for terminals and redirective crash cushions …MoreApproach Guardrail Transition for Concrete Safety Shape Barriers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
An approach guardrail transition, consisting of three-beam guardrail, steel posts, structural tube spacer blockouts, and a New Jersey connector plate, was developed and full-scale crash tested for use…MorePresentations at the 2001 International Conference on Roadway Work Zone Safety
May 9-12, 2001 | Â St. Louis, Missouri
Noise, Public, Workers, and Work Zones
Engineering Noise Controls in the Construction Industry - Current and Past Efforts
Presenter: Charles (Chuck) S.… More
Signs on Breakaway Barricades – Wind and Crash Tests (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zone informational sign panels are often mounted on portable wood or metal frames and used for changing traffic operations in New Jersey work zones. At times, these portable signs are placed clos…MoreQuestions and Answers About Crash Testing of Work Zone Safety Appurtenances (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This document presents questions and comments from State transportation agencies, industry, and FHWA regarding NCHRP 350. General questions as well as questions on channelizing devices, signs, barrier…MoreImpact Performance Evaluation of Work Zone Traffic Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The goal of this project and related previous projects is to provide traffic control devices for use in work zones that would perform satisfactorily when impacted by errant vehicles in accordance with…MoreCrash Tests of Construction-Zone Traffic Barriers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Tests conducted by the New York State Department of Transportation to determine the performance of various types of traffic barriers for construction zones are described. A 30.5-cm (12-in) timber curb…MoreFHWA Ruling on NCHRP-350 May Change Face of Work Zones (Publication)
Resource Type: News and Other Non-research Articles
This article discusses the effects NCHRP-350 crashworthiness requirements will have on state and local transportation departments, road contractors, and the manufacturers of work zone devices.MoreAn Easy to Use Pinned-Down Temporary Concrete Barrier with Limited Deflections (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In work zones where the space available for placing a temporary concrete barrier is very limited, for example bridge replacement projects, the barrier must be strictly restrained to prevent lateral de…MoreDevelopment of a Low-Cost Work Zone Queue Warning System (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Back-of-queue crashes are a significant safety hazard in highway work zones—especially those with intermittent congestion. A number of intelligent transportation systems (ITS) have been developed to…MoreThe Future of Crash Testing: The Descendant of NCHRP Report 350 (Publication)
Resource Type: Presentations
This presentation discusses the future replacement of the NCHRP Report 350 with a new set of crash testing guidlines. It begins with a brief history of crash testing in the U.S.. It goes on to review …More