UPDATE: All lanes of I-25 reopened after earlier Larkspur crash
UPDATE: All lanes of south-bound traffic are reopened near Larkspur, after a crash early Saturday that caused a full closure of the interstate.
One person was ejected from a car after the major crash just south of Castle Rock.
Colorado State Patrol says the accident involved two vehicles and serious injuries. Troopers say one of the drivers is facing DUI charges.
For several hours, drivers were forced to exit 173 at Lake Gulch to get on and off the highway.
