Traffic began to slow Thursday afternoon as debris blocked all five lanes on the southbound Interstate 15 near the 163.
Click here for traffic updates.
The lanes between SR-163 and Miramar Rd. were blocked with "heavy debris" just before 1 p.m., according the California Highway Patrol's Sigalert.
Follow NBC7 for the latest news, weather, and events: iPad App | iPhone App | Android App | Facebook | Twitter | Google+ | Instagram | RSS | Text Alerts | Email Alerts