Emergency crews were called to a tractor trailer crash along Interstate 70 early Monday morning. Washington County 9-1-1 says it happened just after 3:30 a.m. near mile-marker 7.5 in Donegal Township. Reports are that the tractor trailer was traveling in the eastbound lanes, but crossed into the westbound lanes and ended up on its side. Both westbound lanes were initially blocked. Dispatchers say there were no injuries and no other vehicles were involved.