noun
height restriction; limited headroom; max height
Used for physical height limits, such as vehicle clearance, building height regulations, or overhead obstacles. Often seen on signage.
この駐車場は高さ制限が2.1メートルです。
This parking lot has a height restriction of 2.1 meters.
高さ制限のある橋の下を通
Please be careful when passing under a bridge with a height restriction.