Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This document aims to introduce the concept of a Work Zone Mobility Audit and define the involved data for completing such an audit. Agencies have a difficult time assessing the operational performanc…MoreData Collection
Featured Items:
Living Laboratory for Freeway Operations: Case Study for Collecting Driver Behavior Data Through Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper presents the concept of a Living Laboratory (LL) and how it is applied to transportation operations research through a case study. This case study focuses on calibrating the Wiedemann car-f…MoreReal-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper describes the collection and use of 1.4 million travel time records that were collected over a 12-week period in 2009 to evaluate and communicate quantifiable travel mobility metrics for a …MoreU.S. Department of Transportation Makes $2.4 Million Available for Work Zone Data Exchange Grants in Preparation for Automated Vehicles (Publication)
Resource Type: News and Other Non-research Articles
The U.S. Department of Transportation’s Federal Highway Administration published a Notice of Funding Opportunity (NOFO) for $2.4 million in Work Zone Data Exchange (WZDx) grants to promote the devel…MoreDriving Simulator Validation of Driver Behavior with Limited Safe Vantage Points for Data Collection in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study is aimed at validating a driving simulator (DS) for the study of driver behavior in work zones. A validation study requires field data collection. For studies conducted in highway work zone…MoreU.S. DOT and AASHTO are Co-hosting a Virtual Event on Increasing Worker and Driver Safety through Access to Work Zone Data (Training)
Co-sponsored by the U.S. Department of Transportation (U.S. DOT) and the American Association of State Highway and Transportation Officials (AASHTO), this virtual event unites geographic information s… More
Quantifying Incident-Induced Travel Delays on Freeways Using Traffic Sensor Data: Phase II (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic incidents cause approximately 50 percent of freeway congestion in metropolitan areas, resulting in extra travel time and fuel cost. Quantifying incident-induced delay (IID) will help people be…MoreSemantic Enrichment of Spatio-temporal Trajectories for Worker Safety on Construction Sites (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Existing literature reveals that major reasons of fatalities on construction sites are linked to mobility related issues such as unsafe human behaviors, difficult site conditions and workers striking …MoreMobile Application Development and Testing for Work Zone Activity Real-Time Data Collection (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones are prevalent in the United States as the infrastructure is increasingly in need of maintenance. Lack of reliable data is one of the main obstacles in work zone research. Reliability suffer…MoreEvaluation of Speed Monitoring Displays for Work Zones in Las Vegas, Nevada (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speed monitoring displays (i.e., speed trailers) have been evaluated in many states for reducing vehicular speeds in work zones. This study evaluated the enhancements to speed trailers regarding messa…MoreImproving Efficiency of INDOT Traffic Data Collection Using GPS Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
INDOT has utilized many new technologies to reduce travel delay, mitigate traffic congestion, and enhance public and employees' safety. Many projects are underway, including re-timing of most existing…MoreDomestic Scan of Work Zone Assessment, Data Collection and Performance Measurement Practices (Publication)
Resource Type: Brochures and Fact Sheets
In March 2010, Federal Highway Administration and the American Association of State Highway and Transportation Officials conducted a domestic scan looking at how 14 State agencies are planning for, mo…MoreFGDC’s Work Zone Data Exchange (WZDx) Specification: Version 3.0 Release Webinar (Training)
The Work Zone Data Working Group, established under the Federal Geographic Data Committee Transportation Subcommittee, recently published version 3.0 of the Work Zone Data Exchange (WZDx) Specificatio… More
Decision Tree–Based Model for Estimation of Work Zone Capacity (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The ability to accurately estimate work zone capacity is imperative, as it is a key input to estimate queue length and traffic delay at work zone. This paper thus aims to develop a decision tree-based…MoreWork Zone Fatality Data Collection is Falling Short (Publication)
Resource Type: News and Other Non-research Articles
Analyzing work zone crash data available from National Highway Traffic Safety Administration (NHTSA) and their Fatality Analysis Reporting System (FARS), and Bureau of Labor Statistics (BLS), this art…MoreBest Practices in Work Zone Assessment, Data Collection, and Performance Evaluation (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Current federal regulations (23 CFR 630 Subpart J) encourage states to collect and analyze both safety and mobility data to support the initiation and enhancement of agency-level processes and procedu…MoreEstimating Work Zone Capacity from Point Sensors: Challenges and Lessons Learned (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In recent years, federal and state-level policies on work zone mobility have placed an emphasis on performance monitoring of significant freeway work zones. With new requirements for assessing work zo…MoreData Driven Approach to Characterize and Forecast the Impact of Freeway Work Zones on Mobility Using Probe Vehicle Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The presence of work zones on freeways causes traffic congestion and creates hazardous conditions for commuters and construction workers. Traffic congestion resulting from work zones causes negative i…MoreWork Zone Crash Data Collection, Reporting, and Analysis Webinar (Training)
The Wayne State University-Transportation Research Group hosted this free webinar on work zone crash data collection, reporting and safety analysis. This webinar presents material developed under … More
Work Zone Safety Performance Measures Training Module (presentation) (Publication)
Resource Type: Presentations
Introduces the concept of performance measures and performance data collection for work zone safety.
Modules Covered:
- What are performance measures?
- Why use performance measures for work zo…MoreExpressway Single-Lane Work Zone Capacities with Commercial Vehicle Impacts (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Like other government transportation agencies, the Ontario Ministry of Transportation performs regular maintenance and reconstruction of freeways across the province. If lane closures are required for…MoreAuditing Work Zone Mobility Using Probe Vehicle Data (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This document aims to introduce the concept of a Work Zone Mobility Audit and define the involved data for completing such an audit. Agencies have a difficult time assessing the operational performanc…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
WZDx v1.1 – Common Core Data Specification Reference Document (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This document was developed through collaboration with the WZDx Working Group to describe a set of “common core” data concepts, their meaning, and their enumeration (as applicable) in order to sta…MoreApplication of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Extensive literature exists regarding recommendations for lane widths, merging tapers, and work zone geometry to provide safe and efficient traffic operations. However, it is often infeasible or unsaf…MoreU.S. DOT Work Zone Data Exchange Project Webinar (Training)
The U.S. Department of Transportation's (U.S. DOT) Work Zone Data Exchange (WZDx) project aims to make travel on public roads safer and more efficient through ubiquitous access to data on work zone ac… More
A Guide for Work Zone Crash Data Collection, Reporting, and Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This guide describes the work zone crash data collection and reporting process, as well as the benefits and challenges in developing a unified system across the states. The quality and consistency of …More