8 feet wide, and 27 feet long. The car must end up with all four wheels within this space. Riding up on the curb is grounds for failing, but not merely touching the curb.
21 feet https://www.revisor.leg.state.mn.us/rules/?id=2400.0540
5.7 ft and 1 inch wide xD
According to the PA DMV drivers manual the dimension is 24 ft. by 8 ft.
283 miles long and 160 miles wide.