Category:Height barriers

**height barrier**
	horizontal barrier mounted over a roadway at the maximum allowed height, preventing taller vehicles from crossing
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Subclass of	gate; road traffic control device;
Has use	road traffic control;
Authority file
	Q91975076;
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English: Height barriers — used to prevent entry of and resulting damage by vehicles upon entering into, under, or onto structures and buildings — when their roofs are taller than the opening or ceiling height; or their size-weight is greater than a road can handle structurally or aesthetically.

Often used at vehicular entrances to parking structures—underground parking; on approaches to built or natural features bridging or reaching over a transportation—circulation route, and at entrances to park roads and residential scale district streets.