LARKSPUR, Colo. (CBS4) — Northbound Interstate 25 has reopened south of Castle Rock after a crash involving a semi and at least two other cars.

(credit: CSP Castle Rock)

The interstate was closed at the Tomah Road exit, the Colorado Department of Transportation reported at about 9:45 a.m.

(credit: CSP Castle Rock)

Fortunately, no one was seriously injured, according to the Colorado State Patrol.

(credit: CSP Castle Rock)

The CSP warned it would take hours to clean up the scene and reopen the highway. The lanes reopened at about 11:30 a.m.

(credit: CSP Castle Rock)