(MOORHEAD, MN) LEARFIELD — A major pileup shut down the westbound lanes of Interstate 94 near Moorhead for several hours Thursday afternoon and evening.  The Minnesota State Patrol said more than a dozen vehicles were involved in crashes including multiple semi-trucks.   The lanes were cleared and re-opened around 7:15 last night.  No injuries were reported.  State troopers report 112 crashes statewide between 11:30 a-m and 9:30 p-m Thursday along with 198 spin-outs and 17 jackknifed semis.