One man dead after head-on collision.
 / Mike Byrum
All southbound lanes of I-25 are closed at the Fountain-Security exit, after a deadly accident early Thursday morning.
The Colorado State Patrol says A 19-year-old male was killed after the car he was driving and a semi truck collided head-on around 4:30 a.m. near Ray Nixon Rd., mile marker 125.
According to troopers, the semi was traveling south in the southbound lanes when it crashed in to a vehcile driving the wrong way on the interstate.
The crash has been cleared however southbound lanes are expected to be closed for several hours.
There is a detour in place at Old Pueblo Rd.
Continue to refresh this page for updates.