Pedestrian fatally struck by tractor-trailer in Orange County

A pedestrian is dead after being hit by a tractor-trailer in Orange County this morning.  
State police says the incident happened early this morning on Route 17 east between exits 119 and 120 in Wallkill.
The name of the victim has not been released yet. The cause of the accident is unknown at this time.
That section of Route 17 was shut down in both directions for most of the morning commute.