Traffic began to slow Thursday afternoon as debris blocked all five lanes on the southbound Interstate 15 near the 163.
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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.
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Published at 1:28 PM PDT on Aug 23, 2012 | Updated at 3:23 PM PDT on Aug 23, 2012