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Median Treatment
Multi-lane roads are commonly the site of serious and sometimes fatal collisions. Nationally, studies have been conducted to understand roadway safety, but none with a local focus. In 2017, IDOT commissioned a study in Northeast Illinois to identify crash patterns and median treatments that reduce collision rates. This study compares two median types: flush medians and raised curb medians. Overall crash rates were significantly lower when raised curb medians were present.
Local Study - IDOT
- Median Treatment Study
- Building Safer Roads Brochure - Studying Median Safety and Crash Reduction in Northeastern Illinois
National Study - FHWA