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Medium-Size Bus Roadway Departure, Return, and Rollover Bryce Canyon City, Utah September 20, 2019 to May 10, 2021.
| 题名： | Medium-Size Bus Roadway Departure, Return, and Rollover Bryce Canyon City, Utah September 20, 2019 to May 10, 2021. |
| 关键词： | Bus##Crash##Lane departure##Occupant protection##Rollover |
| 摘要： | On September 20, 2019, a medium-size bus was traveling east on Utah State Route 12,a two-lane highway, near Bryce Canyon City, Utah. The bus was occupied by a 60-year-olddriver and 30 passengers. Near mile marker 10.4, at a vehicle-recorded speed of about 64 mph,the bus’s right wheels departed the right edge of the roadway. The driver steered left to return thebus to the roadway, a maneuver that redirected the bus into the westbound travel lane. The driverthen steered sharply to the right, causing the bus to become unstable. It rolled 90 degrees, or aquarter turn, onto its left side. The bus slid on its left side until its roof struck the guardrail endtreatment along the side of the westbound roadway and rolled over the guardrail, coming to reston its wheels. No other vehicles were involved in the crash. Four passengers were fatally injured,17 sustained serious injuries, and 9 sustained minor injuries. The bus driver was not injured. Thesafety issues discussed in the report of the crash concern the lack of requirements for vehicletechnology to prevent medium-size bus road departures and rollovers, and the lack of occupantprotection and crashworthiness standards for medium-size buses. |
| 总页数： | 64 pages |
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