COLORADO (KOAA) — The Colorado Department of Transportation (CDOT) says that July has been the deadliest month of the year for impaired driving-related crashes.

Colorado Department of Transportation

In July alone, there were 26 deaths. So far in 2025, there have been 124 deaths involving a suspected impaired driver.

CDOT says that, nearing the end of summer, with Labor Day weekend right around the corner, CDOT will be supporting Colorado State Patrol and 56 additional local law enforcement agencies for the Heat is On Labor Day Crackdown DUI enforcement period.

The enforcement period begins Friday, August 15, and runs through Wednesday, September 3.

Labor Day marks the end of the 100 Deadliest Days of Summer , the period between Memorial Day and Labor Day, which typically has a surge

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