The Federal Highway Administration’s Rule on Work Zone Safety and Mobility, 23 CFR 620 Subpart J, requires every state to identify methods of improving roadway safety and mobility in and around the … [Read more...] about Work Zone Analysis Guide
Data Management
Quantifying Incident-Induced Travel Delays on Freeways Using Traffic Sensor Data: Phase II
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 … [Read more...] about Quantifying Incident-Induced Travel Delays on Freeways Using Traffic Sensor Data: Phase II
Expressway Single-Lane Work Zone Capacities with Commercial Vehicle Impacts
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 … [Read more...] about Expressway Single-Lane Work Zone Capacities with Commercial Vehicle Impacts
Real-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking
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 … [Read more...] about Real-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking
Work Zone Safety Performance Measures Training Module (presentation)
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 … [Read more...] about Work Zone Safety Performance Measures Training Module (presentation)
NHI Innovations: Work Zone Assessment, Data Collection, and Performance Measurement
Managing traffic during construction is necessary to minimize traffic delays, maintain or improve motorist and worker safety, complete roadwork in a timely manner, and maintain access for businesses … [Read more...] about NHI Innovations: Work Zone Assessment, Data Collection, and Performance Measurement