Traffic on Interstate 79 in Harrison County was slowed after a two-vehicle accident near mile marker 122 on Saturday afternoon.
Harrison County 911 said it happened just after 12:30 p.m.
Bridgeport police said a woman was headed northbound when her SUV drove across the median into the southbound lanes, striking another vehicle.
Authorities said the woman was trapped in the SUV.
Harrison County EMS took her to United Hospital Center. No word on a name or condition.
No one else was injured, according to police.
The Bridgeport Fire Department also responded to the scene.