Three big-rig drivers died late Monday night when one drifted into traffic moving in the opposite direction on Interstate 5 north of Stockdale Highway, according to the California Highway Patrol.

Names of the dead and their cities of residence have not yet been released by the coroner's office.

The incident snarled traffic in the area until about 9 a.m. Tuesday Motorists were advised to uses alternate northbound routes.

One driver was traveling southbound on Interstate 5 at an unknown speed north of Stockdale Highway, a CHP news release said. It wasn't known how fast the driver was going.

Each of the two other drivers was heading northbound, one in the No. 1 lane and the other in the No. 2. It wasn't known how fast each of them was driving.

The southbound driver allowed his vehicle to veer, enter the dirt center divider and cross into northbound lanes, straight into the path of the second and third drivers, the CHP reported.

The collision caused all three big-rigs to go up in flames. The drivers died at the scene, according to the CHP.

Motorists can get the latest traffic conditions by calling 800-GAS-ROAD.