The 180° turning path of a passenger vehicle measures the minimum possible turning radius for use when designing spaces for u-turns or turn-arounds within streets, parking lots, drop-offs, or service areas. Turning paths can use either curb-to-curb or wall-to-wall measurements based on whether the turning circles are calculated based on the outer tire or the outer front overhang. Additional clearances should be provided whenever possible to accommodate a larger variety of car sizes and driver abilities.
Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 14’5” (4.39 m) and minimum outer radius between 24’-25’6” (7.31-7.77 m) should be provided throughout the turn.
The 180° turning path of a passenger vehicle measures the minimum possible turning radius for use when designing spaces for u-turns or turn-arounds within streets, parking lots, drop-offs, or service areas. Turning paths can use either curb-to-curb or wall-to-wall measurements based on whether the turning circles are calculated based on the outer tire or the outer front overhang. Additional clearances should be provided whenever possible to accommodate a larger variety of car sizes and driver abilities.
Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 14’5” (4.39 m) and minimum outer radius between 24’-25’6” (7.31-7.77 m) should be provided throughout the turn.