The objective of the present study was to evaluate the effectiveness of various delineation systems for use on construction sites. It was determined that vertical panels and reflective cylinders were … [Read more...] about Delineation of Temporary Barriers in Work Zones, Volume II
Channelizing Devices
Lighted Guidance Tube Evaluation
This report summarizes the evaluation of the Lighted Guidance Tube (LGT), a 3M product used to delineate a temporary detour curve section on the Eddyville-Cline Hill Section construction project. The … [Read more...] about Lighted Guidance Tube Evaluation
Illinois Department of Transportation Highway Standards & District Specific Standards
These drawings show the details of various construction items and are used in conjunction with the Standard Specifications. The applicable Standards are referenced on the cover sheet of the plans. … [Read more...] about Illinois Department of Transportation Highway Standards & District Specific Standards
Opposing traffic lane divider
Mississippi DOT tested the opposing traffic lane divider in July 1992 on Interstate 20 west of Jackson. Road work along an 11 km (7 mi) segment of I-20 eastbound required the highway agency to divert … [Read more...] about Opposing traffic lane divider
Opposing traffic lane divider
In Georgia, opposing traffic dividers were first used in the Macon area. Flooding forced the agency to close several roads, including the northbound lanes of heavily traveled Route 247 between Macon … [Read more...] about Opposing traffic lane divider
Opposing traffic lane divider
Texas DOT tested the opposing traffic lane divider. Designed and evaluated under the Strategic Highway Research Program (SHRP), the device is a small, portable sign with two-way arrows on its face. … [Read more...] about Opposing traffic lane divider