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…MoreOnline 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
New 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
Improved Work Zone Design Guidelines and Enhanced Model of Travel Delays in Work Zones. Phase I: Portability and Scalability of Interarrival and Service Time Probability Distribution Functions for Different Locations in Ohio and the Establishment of Improved Work Zone Design Guidelines (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The project focuses on two major issues - the improvement of current work zone design practices and an analysis of vehicle interarrival time (IAT) and speed distributions for the development of a digi…MoreAssessing 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. …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
Field 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…MoreGuidelines 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…MoreWork 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 projects…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
Traffic 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 podca… More
Using 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…MoreIdaho to Deploy Variable Speed Limit Signs in I-84 Work Zone (Publication)
Resource Type: News and Other Non-research Articles
The Idaho Transportation Department will deploy variable speed limit signs within the I-84 construction zone in Canyon County to enhance safety for workers and travelers. Currently speeds in the work …MoreAdvanced Notification Messages and Use of Sequential Portable Changeable Message Signs in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In this report, researchers document the results of a laptop-based human factors study of alternative formats of presenting advance notice work zone information on portable changeable message signs (P…MoreIntelligent Transportation Systems Benefits, Costs, Deployment and Lessons Learned: 2008 Update (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Intelligent transportation systems (ITS) provide a proven set of strategies for addressing the challenges of assuring safety and reducing congestion, while accommodating the growth in transit ridershi…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…MoreBenefits of Using Intelligent Transportation Systems in Work Zones – A Summary Report (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study quantifies benefits of ITS deployments for work zone applications and also documents key lessons learned from previous experience. Agencies interested in deploying similar systems can benef…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 …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 …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 …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…More