Crash closes southbound I-25 north of Castle Rock, major delays.

Crash Closes Southbound I-25 Near Castle Rock

Southbound Interstate 25 is closed approximately one mile north of Castle Rock as of Friday morning due to a crash, according to the Colorado Department of Transportation (CDOT).

The incident occurred between Exit 184 for State Highway 86 and Exit 187 for Happy Canyon Road. Details regarding the number of vehicles involved or any injuries have not been released. CDOT did not provide an estimated time for reopening the roadway.

Travelers in the area can expect significant delays, with Google reporting a 32-minute congestion for vehicles heading south on I-25.

No further information is available at this time, and the investigation is ongoing.

Originally Published: August 15, 2025, at 7:16 AM MDT.

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