v. 交通拥挤是许多旧城镇的难题. Heavy traffic poses a problem in many old towns
交通指挥灯由行人控制的人行横道. Cf 参看 pedestrian crossing (pedestrian), zebra crossing (zebra). pedestrian crossing with traffic lights that are operated by pedestrians
交通指数 traffic uidex
交通换算因子 traffic equivalence factor
交通操作 traffic operating
交通标志 traffic signs
n. 交通标志(如表示速度限制、 有弯路等) traffic signs, eg for a speed limit, a bend in the road, etc