UPDATE (4:10 p.m.) The westbound lanes west of the Route 15 (Exit 210) Interchange have just been reopened to traffic.
The detour, which directed traffic to I-180 WB and Route 220 SB, will be lifted within the next 15 minutes.
Motorists are advised that the detoured traffic is moving, but slowly, around Montoursville, both on I-180 WB and on Broad Street in the borough. Westbound traffic at this hour is backed up several miles around Montoursville.
Following an early morning crash, Wednesday, Interstate 80 westbound is closed west of Route 15 (Exit 210) in Union County at this time, PennDOT reports.
Westbound interstate traffic will be detoured off at Exit 212 (Williamsport) onto Interstate 180 WB, to Route 220 SB, and back onto the interstate south of Lock Haven.
Emergency responders anticipate one lane may be reopened later this morning, at which time the detour can be lifted. In the meantime, westbound motorists are advised to plan extra time for their travels on I-80 this morning.