Results of proving-ground studies for evaluation of temporary pavement markings for work zones are summarized. The objective was to investigate 10 candidate temporary marking treatments: one base … [Read more...] about Evaluation of Temporary Pavement Marking Patterns in Work Zones: Proving-Ground Studies
Safety
Visibility in Construction and Maintenance Work Zones
Several documents that will assist the engineer in planning and maintaining safe construction zone visibility are discussed and an attempt is made to relate positive experiences to the user. The … [Read more...] about Visibility in Construction and Maintenance Work Zones
Visibility Requirements for Traffic Control Devices in Work Zones
The objective of this study was to develop a performance requirement or standard for the detection and recognition of retroreflective traffic devices used in work zones. The scope of the study was … [Read more...] about Visibility Requirements for Traffic Control Devices in Work Zones
Evaluation of Fluorescent Orange Signs
In recent years, fluorescent orange signs have become a viable option for increasing the visibility of traffic control devices in temporary traffic control zones due to the fact that the fluorescent … [Read more...] about Evaluation of Fluorescent Orange Signs
Guidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels
This digest summarizes the results of NCHRP Project 5-14, "Advanced Warning Arrow Panel Visibility." The project evaluated the factors affecting the detection and recognition of arrow panels and … [Read more...] about Guidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels
A Computational Vision Model-based Method to Address Work Zone Conspicuity
A computational means to assess the conspicuity of highway features was developed, verified, then applied to a sample construction work zone scene. This work was conceived as a balance between … [Read more...] about A Computational Vision Model-based Method to Address Work Zone Conspicuity