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Zhi-Li Gao

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Nov 2026

Exposure-Adjusted Crash Rate Analysis Using Lighting Condition and Time-of-Day

Accurate roadway crash rate estimation requires accounting for variations in traffic exposure across time and lighting conditions. Standard crash rate formulations, including those recommended by the Federal Highway Administration, rely on average annual daily traffic (AADT) and do not distinguish traffic volumes by...

Asad Sultan, Mi-Jia Yang, Zhi-Li Gao · 0 citations

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