The primary objective of this evaluation was to assess the long-term effectiveness of speed monitoring displays (SMDs) in long-term work zones on rural interstate highways. To achieve this goal, three … [Read more...] about Speed Advisory System
Using ITS in Work Zones
Solar-Powered Barricade Warning Lights
As a part of the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI), Types A and C solar-powered LED lights were compared with two brands of battery-powered lights (one with incandescent … [Read more...] about Solar-Powered Barricade Warning Lights
AASHTO Report Identifies How NDOR is “Optimizing the System”
While transportation agencies are continually challenged to improve the safety of motorists traveling through work zones, the Nebraska Department of Roads (NDOR) has been cited as a model for its use … [Read more...] about AASHTO Report Identifies How NDOR is “Optimizing the System”
Evaluation of Construction Work Zone Operational Issues: Capacity, Queue, and Delay
The Illinois Department of Transportation (IDOT) requires queuing analysis to determine traffic backups on interstate work zones. The monetary gains/losses in contractual procedures such as lane … [Read more...] about Evaluation of Construction Work Zone Operational Issues: Capacity, Queue, and Delay
Intelligent Transportation Systems in Work Zones – A Case Study: Real-Time Work Zone Traffic Control System
This case study is one in a series of documents that examines the use of Intelligent Transportation Systems (ITS) in work zones. More information on applications of ITS in work zones is available in … [Read more...] about Intelligent Transportation Systems in Work Zones – A Case Study: Real-Time Work Zone Traffic Control System
Intelligent Transportation Systems in Work Zones – A Case Study: Work Zone Travel Time System
This case study is one in a series of documents that examines the use of Intelligent Transportation Systems (ITS) in work zones. It reports reducing congestion with the use of a Traffic Management … [Read more...] about Intelligent Transportation Systems in Work Zones – A Case Study: Work Zone Travel Time System