Crash reduction factors are widely used by engineers for prioritizing safety investments. Work zones are routinely analyzed by the length and duration of queues. Queue detection warning technology has … [Read more...] about Characterizing Interstate Crash Rates Based on Traffic Congestion Using Probe Vehicle Data
Probe Vehicles
Measuring Work Zone Mobility Performance Using the National Performance Management Research Data Set (NPMRDS) – Case Study: Application to the Texas Department of Transportation GO I-10 Project
FHWA is engaging with State Departments of Transportation (DOTs) and conducting research to understand work zone mobility performance measurement best practices, challenges, and opportunities. The … [Read more...] about Measuring Work Zone Mobility Performance Using the National Performance Management Research Data Set (NPMRDS) – Case Study: Application to the Texas Department of Transportation GO I-10 Project
RITIS: A Probe-Data Source for Enhancing Operations and Planning Capabilities
The Regional Integrated Transportation Information System (RITIS) is an automated fusion and archiving system of real-time traffic, incident, and weather data obtained from agencies and communicated … [Read more...] about RITIS: A Probe-Data Source for Enhancing Operations and Planning Capabilities
Identification and Characterization of Mobile Work Zones Using Floating Car Data
This paper describes a methodology for the identifying active mobile roadworks zones based on detecting the forward forming shockwave associated with the congestion front with the use of vehicle probe … [Read more...] about Identification and Characterization of Mobile Work Zones Using Floating Car Data
Agile Work Zone Management Based on Probe Traffic Data
Peak period lane closures can result in significant queueing on major interstates. As a result, many state agencies have a lane closure policy in place based upon historical time of day and day of … [Read more...] about Agile Work Zone Management Based on Probe Traffic Data
The National Performance Management Research Data Set (NPMRDS) and Application for Work Zone Performance Measurement
Transportation agencies are increasingly using probe vehicle data for transportation system performance management and as a resource for meeting the federal requirements of monitoring and reporting … [Read more...] about The National Performance Management Research Data Set (NPMRDS) and Application for Work Zone Performance Measurement