Every three hours, someone in the U.S. is struck by a train. Train horns can save lives. 我们的机车工程师有责任和判断力在规定的时间按喇叭, or when a safety hazard is perceived.
只有 联邦铁路局 can grant a quiet zone. The process starts with community leaders. 对于BNSF在安静区过程中的角色有疑问的社区领导人可以发电子邮件 Paul Cristina, BNSF's director, Public Projects.