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For decades, public safety has been a priority for state departments of transportation (DOTs) as they strive to reduce traffic crashes. To support these efforts, the Federal Highway Administration’s (FHWA) Office of Safety developed a list of proven safety countermeasures that include brief descriptions, information sheets, and additional references. These measures have been field-tested and […]
Development of the AASHTO Highway Safety Manual began from a TRB conference session and a workshop, both held in 1999, that identified the need for a traffic safety document analogous to the role of the Highway Capacity Manual for traffic operations. NCHRP Research Report 1140: Quantitative Safety Analyses for Highway Applications, from TRB’s National Cooperative Highway Research Program, describes […]
Speeding has contributed to thousands of fatalities in the Unites States annually for decades, despite long-standing awareness of its risks. Intelligence speed assistance (ISA) is a technology designed for speed limit compliance that has been shown to reduce speeding, and European law has mandated ISA for all new vehicles sold from July 2024. The United […]