Passenger Turning Path - 90°

The 90° turning path of a passenger vehicle measures the minimum possible turning radius needed when designing parking, loading, and drop-off spaces. Measuring the inner and outer radii of the 90° turn, a minimum inner radius of 11’6” | 3.5 m and minimum outer radius of 19’2” | 5.85 m should be provided. Though the turning path requires a width of only 7’6” | 2.3 m, additional clearances should be provided whenever possible to accommodate a larger variety of car sizes and driver abilities.

The 90° turning path of a passenger vehicle measures the minimum possible turning radius needed when designing parking, loading, and drop-off spaces. Measuring the inner and outer radii of the 90° turn, a minimum inner radius of 11’6” | 3.5 m and minimum outer radius of 19’2” | 5.85 m should be provided. Though the turning path requires a width of only 7’6” | 2.3 m, additional clearances should be provided whenever possible to accommodate a larger variety of car sizes and driver abilities.

Common Questions
What is the minimum inside turning radius required for making a 90° turn?
A minimum inner turning radius of 11’6” | 3.5 m should be provided for a passenger vehicle making a 90° turn.
What is the minimum width of a path for a passenger vehicle making a 90° turn?
The minimum width of a 90° turning path for a passenger vehicle is 7’6” | 2.3 m based on the front and back overhangs of a typical car.
What is the size of a compact car?
Compact cars are commonly understood as cars with wheelbases less than 9’2” (110”) | 2.8 m. Instead of measuring wheelbases today, the term compact car refers to cars with an interior volume index between 100-109 ft3 | 2.8-3.1 m3.
Common Questions
How is a turning circle measured?
A vehicle’s turning circle is the radius (or diameter) measured by the outer wheels of the vehicle while making a complete turn.
What car has the smallest turning radius?
The smart fortwo (2016) has the smallest turning radius of a passenger vehicle at a radius of 22’10” | 6.9 m.

What is a typical turning circle for a passenger car?
A turning radius of 34’-35’ | 10.4-10.7 m is common for passenger cars today.

Details

*Under Development*

Height: 
Width:
Depth:
Length:
Weight:

Outer Radius: 19’2” | 5.85 m
Inner Radius: 11’6” | 3.5 m
Path Width: 7’6” | 2.3 m minimum

Vehicle Wheelbase: 8’10” | 2.7 m
Vehicle Length: 15’6” | 4.74 m
Vehicle Width: 5’9” | 1.76 m

Drawings include:
Passenger Vehicle 90° Turning Path plan

Downloads

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