Isn't a "giant parking lot on the outside" a Park and Ride? https://en.wikipedia.org/wiki/Park_and_ride https://en.wikipedia.org/wiki/Park_and_ride They can w

Isn't a "giant parking lot on the outside" a Park and Ride? https://en.wikipedia.org/wiki/Park_and_ride https://en.wikipedia.org/wiki/Park_and_ride They can work pretty well if you have good transport (e.g. trams/rail) from the Park and Ride into your city.