Storm Drain Opening =link= -

: A vertical slit along the edge of a curb. These are effective for high-velocity street flow and are often depressed at the invert to increase water capture.

: A firefighter rescued a kitten from a drain during a routine call; the cat, named Ember, eventually became a permanent resident at the fire station . storm drain opening

: Consists of a narrow slot with perpendicular bars, often used to intercept sheet flow across large paved areas. How the Opening Functions : A vertical slit along the edge of a curb