Driveway TurningPick a car and the width of the lane it arrives in and the lane it turns into. See the swept path round a 90° corner, the clearance to the walls, and the narrowest lane that lets this car turn in one move.

SheetT-30
MethodSwept path
Unitsm
By@smart_tools_every_week
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Turning radius is the figure in the car's brochure (kerb to kerb). The car arrives in the lane on the left and turns left into the lane going up. The corner on the inside of the turn is a square wall or pillar. Clearance is the smallest gap between any part of the body and a wall.

Verdict–
Clearance–
Narrowest equal lane–
Body swing radius–

Swept path, plan

Checks

    Lane needed arriving = turned into

    CarNarrowest laneRmSwing R