Highway Safety Improvement Program
Project Evaluation
The objective of this project is to identifying, developing, and implementing an appropriate approach to before-after safety project evaluation that can be applied to ODOT’s Highway Safety Improvement Program (HSIP) projects or any other completed project(s) of interest to ODOT. The evaluation approach will quantify project effectiveness in terms of crash frequency reduction and percentage crash frequency reduction overall, by crash severity level, and by crash type. The recommended project evaluation approach will be: