traffic regulations

详细解释:【法】 交通规则

例句：

A competition in which automobiles are driven over public roads and under normal traffic regulations but with specified rules as to speed, time, and route.公路车赛一种汽车赛，比赛中车辆在公路上按照正常的交通规则行驶但对速度、时间和路线有特殊的要求