Jefferson, Douglas, Boulder counties rank in top 5 in state for deadly crashes

The Colorado State Patrol wants to cut down on traffic deaths involving distracted drivers, aggressive drivers and drivers under the influence. In 2021, Colorado saw a 20-year high in crashes involving drivers leaving their lanes. 

Investigators said fatal crashes caused by lane violations was up 74%. 

The five counties that had the largest quantity of fatalities:

1. El Paso County  
2. Douglas County  
3. Boulder County  
4. Mesa County  
5. Jefferson County

Data shows that Saturday was the deadliest day of the week for lane violation crashes.