The Watertown City Street Department in South Dakota tried a flexible and lightweight direction indicator barricade designed by the Strategic Highway Research Program (SHRP). … [Read more...] about Direction indicator barricade
Communication and Control
Direction indicator barricade
After one year of use, the Russellville maintenance crew in Arkansas reported tremendous satisfaction with the direction indicator barricade device. Crews found handling and setting up the signs very … [Read more...] about Direction indicator barricade
Evaluation of Systems to Monitor Blind Areas Behind Trucks Used in Road Construction and Maintenance: Phase 1
The majority of fatalities that occur in road construction work zones in the United States involve a worker being struck by a piece of construction equipment or other vehicle. The Spokane Research … [Read more...] about Evaluation of Systems to Monitor Blind Areas Behind Trucks Used in Road Construction and Maintenance: Phase 1
Autonomous Shadow Vehicle Project: Phase I
The subject of this report is the research performed to determine the feasibility of designing and constructing a prototype autonomous Shadow Vehicle that follows a Lead Maintenance Vehicle for use in … [Read more...] about Autonomous Shadow Vehicle Project: Phase I
Measuring and Analyzing Vehicle Position and Speed Data at Work Zones Using Global Positioning System
In order to analyze traffic characteristics at highway work zones, traffic flow has been measured through various types of traffic measuring devices. The limitations of the conventional traffic … [Read more...] about Measuring and Analyzing Vehicle Position and Speed Data at Work Zones Using Global Positioning System
Reconsideration of Sample Size Requirements for Field Traffic Data Collection Using GPS Devices
In recent years, the use of GPS technologies has expanded to perform traffic data collection for transportation studies such as work zone studies. To generate reliable results from the data acquired … [Read more...] about Reconsideration of Sample Size Requirements for Field Traffic Data Collection Using GPS Devices