UPDATE: 11:32 a.m., Monday:
The crash has been cleared and all lanes of travel are reopened.
Traffic on the Newtown Bypass in the area of Newtown Gate Drive was down to one lane in each direction Monday morning.
Newtown Township police said a tractor-trailer crash in the area was causing the traffic trouble.
As of 10:45 a.m., the Bypass remained down to a single lane in each direction.