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Accident Report Detail

Motorcoach Collision With the Alexandria Avenue Bridge Overpass George Washington Memorial Parkway

Executive Summary

On November 14, 2004, about 9:30 a.m., eastern standard time, a 44-year-old bus driver departed the Baltimore/Washington International Thurgood Marshall Airport, operating a 2000 Prevost, 58-passenger motorcoach for an approximately 60-mile trip to Mount Vernon, Virginia. Vehicle occupants were the bus driver, an adult chaperone, and 27 high school students. This vehicle was the second one of a two-bus team traveling to Mount Vernon. The motor carrier, Eyre Bus Service, Inc., (Eyre) operates this route frequently, and the accident bus driver had driven this route on one previous occasion 9 days earlier (November 5, 2004).

About 10:40 a.m., the bus was traveling southbound in the right lane of the George Washington Memorial Parkway in Alexandria, Virginia, at an electronic control module– recorded speed of approximately 46 mph. As the bus approached the Alexandria Avenue bridge, the bus driver passed warning signs indicating that the bridge had a 10-foot, 2-inch clearance in the right lane. Nonetheless, the driver remained in the right lane and drove the 12-foot-high bus under the bridge, colliding with the underside and side of the overpass. At the time of the accident, the 13-foot, 4-inch-high left lane was available to the bus, and the lead Eyre bus was in the left lane ahead of the accident bus. The accident bus came to a final stop in the right lane about 470 feet beyond the bridge. Witnesses and the bus driver himself reported that the bus driver was talking on a hands-free cellular telephone at the time of the accident.

Of the 27 student passengers, 10 received minor injuries and 1 sustained serious injuries. The bus driver and chaperone were uninjured. The bus’s roof was destroyed.

Probable Cause

The National Transportation Safety Board determines that the probable cause of this accident was the bus driver’s failure to notice and respond to posted low-clearance warning signs and to the bridge itself due to cognitive distraction resulting from conversing on a hands-free cellular telephone while driving. Contributing to the accident was the low vertical clearance of the bridge, which does not meet current National Park Service road standards or American Association of State Highway and Transportation Officials guidelines.

Accident Location: Alexandria , VA    
Accident Date: 11/14/2004
Accident ID: HWY05MH008

Date Adopted: 11/21/2006
NTSB Number: HAR-06-04
NTIS Number: PB2007-916201