Tag:waterway=security_lock

A  flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier.

How to map

• Draw a line for the Lock_gate and add waterway=security_lock

Tags used in combination

• name=*
• maxheight=*
• maxwidth=*
• draft=*
• lock:height=*

Seamark tags

• seamark:gate:category=flood_barrage

See also

• lock=* - A lock is a device used for raising and lowering boats, ships.