高こう速そくパトカーMeanings1nounhighway patrol carA police car specifically designed or used for patrolling expressways and high-speed roads.高こう速そく道どう路ろで高こう速そくパトカーが追おい越こし車しゃ線せんを走はしっていた。A highway patrol car was driving in the passing lane on the expressway.
