" Speed reductions are based on the rail temperature, not the ambient (air) temperature, " Amtrak's statement read. " That data ensures we're only issuing heat restrictions when necessary."
“降速是基于铁路温度,而不是环境(空气)温度,” 美国铁路公司的声明写道。“这些数据确保我们只在必要时发布高温限制。”