On June 23, 2002, a 55-passenger Motor Coach Industries, Inc., motorcoach was travelingeastbound on Interstate 90 near Victor, New York. As it approached the Victor Exit 45 ramp, the busdeparted the road; struck a W-beam guardrail, dragging about 700 feet of it across the eastbound entranceramp; vaulted over the entrance ramp, landing on the ramp's south side shoulder; and rolled 90 degreesonto its right side, sliding to rest. The guardrail dragged by the bus during the accident sequence struckthree eastbound vehicles on the entrance ramp. Three occupants of these vehicles were uninjured, and sixreceived minor injuries. Of the 48 people on the motorcoach, 5 passengers were killed; the driver and 41passengers sustained injuries; and 1 passenger was uninjured.