Highway Safety Manual Case Study 5: HSM Implementation Plans – New Hampshire DOT Experience

HSM Reference

The American Association of State Highway and Transportation Officials’ (AASHTO) Highway Safety Manual (HSM), published in 2010, provides access to the latest science-based knowledge on the proven relationship between crashes and the roadway environment, thus enabling the safety effects of actions or treatments involving the highway and street environment to be quantified.

Highway Safety Manual Case Study 4: Development of Safety Performance Functions for Network Screening in Illinois

HSM Reference

Safety Performance Functions (SPF) are statistical models used to estimate the average crash frequency for a specific site type (with specified base conditions), based on traffic volume and roadway segment length.

Wisconsin Information System for Local Roads – Integration of State and Local Safety Data Case Study

Ohio Location Based Response System – Integration of State and Local Safety Data Case Study

Michigan Roadsoft – Integration of State and Local Safety Data Case Study

Tennessee Roadway Information System

Roadway Safety Data and Analysis Case Study – Collection and Use of Roadway Asset Data in Utah

Developing and Using State Specific Safety Performance Functions (SPFS) In Virginia Roadway Safety and Analysis

Utah Department of Transportation Safety Data Processes and Governance Practices

New Hampshire Department of Transportation Safety Data Systems and Processes