One idea: Provide stalls that are just large enough for a single car to fit with a gap of 1m between the stalls. Put a hole in the wall on the passenger side wh

One idea: Provide stalls that are just large enough for a single car to fit with a gap of 1m between the stalls. Put a hole in the wall on the passenger side where the doors would be so that they open into the hole and allow someone on the passenger side to exit into the gap.