NEW WINDSOR – A Campbell Hall man was killed in a head-on collision on Route 207 late Wednesday night, New Windsor police said.According to police, at least one person was trapped in the crash, which happened at 11:22 p.m. Wednesday near the Rock Tavern Post Office.Police said Gerald Dembeck, 67, of Campbell Hall, was driving a 1993 pickup truck west on Route 207, also known as Little Britain Road.