Caltrans advises motorists traveling during the Thanksgiving holiday on the northbound Interstate 5 about five miles north of Santa Clarita to plan ahead and leave early to avoid holiday-related traffic delays.

Adding to potential delays is an ongoing lane closure on the northbound I-5 at Templin Highway.

The closure is due to storm-related slope stabilization and extensive roadway repairs. Three northbound lanes and four southbound lanes remain open to motorists.

Travel delays are expected from Monday through Dec. 1.

Caltrans officials said traffic fines are doubled in freeway work zones.

In Santa Clarita and Castaic, The Old Road is a suggested alternate route during periods of congestion.

For road conditions in the Santa Clarita Valley and elsewhere in California excluding unforeseen traffic incidents, call the Caltrans highway information number at (800) 427-ROAD (7623).