At about 1:00PM the Westport Police responded to a report of a vehicle accident on Saugatuck Ave. (Rt. 136) at the Railroad underpass just south of Exit 17 N/B off ramp on I95. A full size dump truck style vehicle traveling N/B on Saugatuck Ave. struck the RR underpass bridge and is currently stuck underneath the bridge and efforts are being made to dislodge the truck. Saugatuck Ave. is closed at the RR underpass and may be for some time. All traffic should avoid the area until further notice. The Accident is under investigation at this time.