The 85th and the 15th percentiles are two parameters that are commonly used in traffic engineering and traffic safety. For example, 85th percentile speeds are used in setting speed limits and for … [Read more...] about Statistical Test for 85th and 15th Percentile Speeds with Asymptotic Distribution of Sample Quantiles
Accommodating Pedestrians (including those with disabilities)
Building Accessible Work Zones
This presentation discusses how to build an accessible and detectable work zone. Standards, guidelines, and applications are included. … [Read more...] about Building Accessible Work Zones
Wheelchair Trip Hits Roadblock
A trip to the library leaves a blind wheelchair bound man feeling frustrated and helpless. Robert Detcher, a 67-year-old stroke survivor, legally blind and physically disabled, found all his routes … [Read more...] about Wheelchair Trip Hits Roadblock
Evaluating Innovative Ideas in Pedestrian Signing for Temporary Traffic Control
A laboratory study of human factors was conducted to evaluate enhanced signing options that provide pedestrians in temporary traffic control areas with improved information on sidewalk closures. … [Read more...] about Evaluating Innovative Ideas in Pedestrian Signing for Temporary Traffic Control
Pedestrian Safety and Accessibility in Work Zones
Outlines pedestrian considerations during each project phase including: planning, design, construction, and maintenance. Modules Covered: - Why must pedestrian safety and accessibility be provided … [Read more...] about Pedestrian Safety and Accessibility in Work Zones
Legislation for Grant Program Introduced to Train Roadway Workers, Make Roadway Work Zones Safer and More Accessible
Thanks to the efforts of U.S. Representative Brett Guthrie, H.R. 5819, the Roadway Safety Training and Access Act of 2010, was introduced. This bill authorizes funds for a grant program to provide … [Read more...] about Legislation for Grant Program Introduced to Train Roadway Workers, Make Roadway Work Zones Safer and More Accessible