Sean Kempf, 18, was struck by a car early Thursday while walking east on Freemansburg Avenue, near Hope Road, in Bethlehem Township.
Kempf, of Palmer Township, was taken to the trauma center at St. Luke's University Hospital in Fountain Hill, where he was being treated for multiple traumatic injuries, Bethlehem Township police said. Kempf was in very serious condition.
The driver of the car, Lisa J. Ball, 45, of Easton, was taken to St. Luke's University Hospital-Anderson campus and treated for minor injuries, police said. Ball was traveling east on Freemansburg Avenue when the car struck Kempf, they said.
The crash, which happened at 12:49 a.m., is under investigation. Anyone with information is asked to call the Northampton County 911 Operations Center at 610-759-2200.