Just after 5 am Friday morning, a double tractor trailer wrecked on I-75 between the two Caryville exits on the northbound side.    In the single-vehicle accident, the driver and passenger were injured and taken to the La Follette Medical Center.  E-911 Dispatch tells WLAF News that the right lane is blocked at Mile Marker 135 and a half with one trailer in the lane and one trailer off the roadway.  Authorities are saying that it will take much of the day today to clear the wreckage which is in the big bend of the interstate.  (WLAF NEWS PUBLISHED – 10/05/2018-6:30AM)