UPDATE 11:21 A.M. According to the Oklahoma Department of transportation, the I-35 has reopened at Wilshire Blvd. following a crash Monday morning. ORIGINAL STORY OKLAHOMA CITY (KFOR) - A crash involving a semi is causing traffic delays southbound on I-35 Monday morning. Officials say traffic is backed up to Wilshire Blvd. Drivers may want to find an alternate route. Emergency crews are on scene working to clear the roadway. Visit KFOR's Live Traffic Map for updates.