Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
The IWZ Toolbox has been prepared as a guideline for selecting an appropriate Intelligent Work Zone (IWZ) System for existing work zone traffic issues and to mitigate anticipated issues on scheduled p…MoreChangeable Message Signs
Featured Items:
Theory of Safety Surrogates Using Vehicle Trajectories in Macroscopic and Microscopic Settings: Application to Dynamic Message Signs Controlled Traffic at Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper presents a new mathematical framework for obtaining quantitative safety measure using macroscopic as well as microscopic traffic data. The safety surrogate obtained from the macroscopic dat…MoreNew traffic control methods for mobile work zones and their effectiveness in reducing crashes (Practice)
In Oregon, an approach that has improved experience with mobile work zones on freeways has been the deployment of advance roadside PCMS with specific messages similar to "road work 5 mph/ left lane, n… More
Online Learning Management System (LMS) Developed by ARTBA Work Zone Safety Consortium (Training)
The ARTBA Work Zone Safety Consortium Online Learning System was created to provide free training and education to the transportation construction community. The consortium, funded by an FHWA gran… More
Assessing the Message Design on Variable Message Signs in Mitigating the Bottleneck Issue at Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In this study, drivers’ preferences of and responses to text and graphic road sign messages at work zones were analyzed in an attempt to reduce the bottleneck conditions at lane-reduced work zones. …MoreToronto Safe Work Zone Pilot Brings Highway Safety Concept to City (Publication)
Resource Type: News and Other Non-research Articles
Highway drivers have become accustomed to bold signs in work zones, advising them about lane reductions and travel delays. The City of Toronto is testing a similar concept as part of its Smart Work Zo…MoreDevelopment of Hybrid DSRC-PCMS Information Systems for Snowplow Operations and Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The future deployment of dedicated short range communication (DSRC) technology requires that DSRC-based applications are integrated with existing traffic management techniques so that non-DSRC-equippe…MoreUsing Smartphones to Deliver Effective In-Vehicle Work Zone Messages (Publication)
Resource Type: News and Other Non-research Articles
This blog post provides a summary of what have been done with the Minnesota Department of Transportation (MnDOT) study on using smartphones to deliver in-vehicle work zone messages.MoreTraffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
In Texas, portable trailer-mounted closed circuit television (CCTV), portable changeable message signs (CMS), portable highway advisory radio (HAR), and portable traffic signals are used to reduce del… More
Guidelines on Improving Work Zone Safety Through Public Information and Traveler Information (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
The document describes the role of traveler information strategies in improving work zone safety. Effective traveler information systems can increase driver awareness, reduce public frustration with w…MoreTraffic management techniques (beyond the MUTCD) used to reduce delay in work zones (Practice)
Puerto Rico has used different techniques. a) In urban areas traffic signals have been reprogrammed using historic and actual data on the area of the project. b) In some cases reversible lanes are pre… More
Work Zone Up Ahead: Other States Call TTI for Work Zone Research (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The safety of traffic operations in work zones has been a priority nationwide. This article describes the Texas Transportation Institute (TTI)'s involvement in three recent work zone research project…MoreTraffic management techniques (beyond the MUTCD) used to reduce accidents in work zones (Practice)
Oregon DOT provides extra advance warning using portable changeable message signs. Oregon DOT designs work zone alignments to accommodate existing posted speeds. More
Using Portable Changeable Message Signs to Control Speeding in Work Zones (Training)
The relatively large and conspicuous message displays of portable changeable message signs (PCMS) make them effective for providing work zone guidance and warning messages to drivers. This brief po… More
Research on the Relationship Between Dynamic Message Sign Control Strategies and Driving Safety in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Several studies have researched the effect of dynamic message signs (DMSs) on the driving safety in work zones. However, only a few studies have examined the design of DMS control strategies in work z…MoreField Performance Evaluation Results of Flashing Arrow Panels (Arrowboards) & Portable Changeable Message Signs (PCMS) (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Eleven signs were submitted for the 2008 National Transportation Product Evaluation Program (NTPEP) evaluations: four full size Portable Changeable Message Signs (PCMSs), three medium size PCMSs and f…MoreUsing Portable Changeable Message Signs to Control Speeding in Work Zones
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Hello and welcome to the American Traffic Safety Service… More
Traffic management techniques (beyond the MUTCD) used to reduce accidents in work zones (Practice)
North Carolina uses changeable message signs that display advisory information to motorists, wide pavement markings and temporary pavement markers during construction, rumble strips applied to pavemen… More
Driver Understanding of Messages Displayed on Sequential Portable Changeable Message Signs in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In this paper, researchers present the results of a Texas Transportation Institute (TTI) driving simulator study of the ability of motorists to capture and process information on two portable changeab…MorePortable Telematic System as an Effective Traffic Flow Management in Workzones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic infrastructure localities with temporal restrictions for example due to reconstructions, or modernization, are important aspects influencing the traffic safety and traffic flow. On the basis o…MoreHappy Birthday Message in Construction Zone Irks Motorist (Publication)
Resource Type: News and Other Non-research Articles
A construction worker in Livonia recently used a changeable message sign for the purpose of wishing his daughter a happy birthday. The signs are supposed to warn the public of an approaching construct…MoreDetermining the Impact of Gender and Age on Drivers’ Acceptance of Graphic-aided Portable Changeable Message Signs in Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Graphic-aided portable changeable message sign (PCMS) is an innovative temporary traffic control device that has been proven in recent studies to improve drivers’ response more effectively than the …MoreAnalyzing and Improving the Performance of Dynamic Message Sign Reporting Work Zone—Related Congestion (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Dynamic message sign (DMS) systems aim to provide realistic, reliable, and real-time traffic information to roadway users. This study investigated the performance of a DMS present at a work zone that …MorePractices in One-Lane Traffic Control on a Two-Lane Rural Highway (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Temporary traffic control, also known as maintenance of traffic, is critical to minimizing congestion and maintaining mobility during planned and unplanned activities as well as providing a safe work …MoreEffectiveness of End-of-Queue Warning Systems and Portable Rumble Strips on Lane Closure Crashes (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Texas Department of Transportation has been deploying work zone intelligent transportation systems in an effort to reduce the number of work zone crashes along the Interstate 35 (I-35) corridor. R…MoreSynthesis of Traffic Calming Techniques in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Nationwide, over 1,000 fatalities and 40,000 injuries occur annually in work zones, which include both construction zones and areas where maintenance is performed. The majority (85%) of work zone acci…MoreODOT Making Changes After Eighth Crashes off I-270 (Publication)
Resource Type: News and Other Non-research Articles
Eight trucks went off the highway since April. Those crashes have coincided with highway lanes narrowing and shifting caused by an I-270 widening project. To prevent such crashes in the future, Ohio D…More