MISSOULA, Mont. - Montana Highway Patrol says a jackknifed semi is causing total lane blockage eastbound on I-15 near Butte.
Montana Department of Transportation says traffic will detour onto Iron Street.
Montana Department of Transportation says there was a diesel leak at the scene of the accident. Authorities told NBC Montana that crews were currently still working on cleaning up the spill.
Officials say the semi was cut off by a smaller truck pulling a camper. MHP says there were no injuries reported at the accident.
Reports say emergency crews responded to the crash just after 2:00 p.m. Saturday afternoon.
NBC Montana will have more information when it becomes available.