Safety Benefits of TCDs Anonym / Friday, November 30, 2018 0 0 Article rating: No rating This research studies the upgrade programs implemented by Sioux City, IA, Mendocino, CA, Putnam County, NY, and the Insurance Institute of British Columbia, Canada, and identifies other projects that upgraded sign materials. The research evaluates each implementation practice and examines the crash results, including crash types, sign locations in relation to the crashes, time of day, light vs. dark, weather, and other factors that may have influenced the signs’ effectiveness. In addition, state and/or national baseline crash information for the same time periods will help establish trends. Read more
Sign Luminance Effect on Info Acquisition - Iowa -2008 Anonym / Friday, November 30, 2018 0 0 Article rating: No rating This study investigated the effect of (legend) luminance and letter size on the information acquisition time and transfer accuracy from simulated traffic signs. Read more
Key Facts Regarding Street Sign and Sign Retroreflectivity Requirements Anonym / Friday, November 30, 2018 0 0 Article rating: No rating Read more
Minimum Retroreflectivity Levels for Overhead Guide Signs and Street-Name Signs Anonym / Friday, November 30, 2018 0 0 Article rating: No rating Report FHWA-RD-03-082 presents the results of a study that investigated the nighttime visibility needs of drivers for viewing overhead guide signs and street name signs. This effort reviewed past research and current practices to design a series of field tests. Read more
HFST Frequently Asked Questions from the FHWA Anonym / Thursday, November 29, 2018 0 0 Article rating: No rating Read more
26Feb2021 ATSSA announces 2021 election results for Board and Operating Committee Friday, February 26, 2021 Read more