UPDATE: All lanes have since been reopened, and traffic is flowing as normal.
CENTERVILLE, Utah (ABC4) — Several southbound lanes of I-15 toward Salt Lake City in Centerville are blocked following a rollover crash.
Lt. Cameron Roden said the crash, which happened shortly after 9 a.m. near mile marker 320, involved four cars that were slowing for a dirt spill about a mile ahead on the interstate…