In October 2004, about 9 lane km of deteriorated truck lanes on Interstate 15 at Devore in Southern California was rebuilt during 18 days with extended one roadbed full-closures with the counterflow … [Read more...] about Automated Work-Zone Information System on Urban Freeway Rehabilitation: California Implementation
Construction Sites
Cardboard Cop Car Gets Results
A cardboard cutout police car is slowing traffic at Nelson roadworks sites in an initiative that roading contractor Fulton Hogan hopes to push nationwide. … [Read more...] about Cardboard Cop Car Gets Results
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
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 … [Read more...] about 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
Estimation of Traffic Impacts at Work Zones: State of the Practice
Assessing the safety and mobility impacts of work zones across the project development phases of road construction and maintenance projects is an emphasis area of the Federal Highway Administration's … [Read more...] about Estimation of Traffic Impacts at Work Zones: State of the Practice
Data Collection Needs for Work Zone Incidents
Roadway construction has become a common fixture in our daily travels. According to the Federal Highway Administration, fatalities in highway work zones were up nearly 50% between 1997 and 2003. In … [Read more...] about Data Collection Needs for Work Zone Incidents
Influence of Heavy Vehicles on Traffic Flow in Freeway Work Zones
The proportion of heavy vehicles is very high on Chinese highways. Slowly moving heavy vehicles cause additional delay in a work zone especially when there is only one open lane in the work zone. In … [Read more...] about Influence of Heavy Vehicles on Traffic Flow in Freeway Work Zones