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Accident Report Detail

Collision of Winnebago Motor Home with Bridge Column

Executive Summary

‚ÄčOn July 1, 1975, at 10:35 a.m., e.d.t., a Winnebago motor home traveling south on Interstate 75 ran off the highway and crashed near Monroe, Michigan. The motor home left the roadway, struck the end section of a guardrail, then struck a concrete bridge column, and caught fire almost immediately. The fire which destroyed the vehicle was fed by two 40-pound propane tanks which became detached from the vehicle. Of the 10 vehicle occupants, the driver and a passenger, neither of whom was wearing a seatbelt, were injured when they were ejected through the front of the vehicle. Seven persons perished in the subsequent fire and one was injured but escaped from the vehicle unassisted.

Probable Cause

‚ÄčThe National Transportation Safety Board determines that the probable cause of the accident was the driver's failure to change lanes properly. The failure of the driver and a passenger to use their seatbelts prevented them from remaining in the vehicle, where they might have been able to rescue other passengers. The escape of propane from the two disconnected gas tanks added to the intensity of the vehicle fire.

Accident Location: Monroe , MI    
Accident Date: 7/1/1975
Accident ID: 80162

Date Adopted: 3/3/1976
NTSB Number: HAR-76-02
NTIS Number: PB-252270/AS

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