Yes, of course. People from outside the city come to the city by car to buy goods and offer their services because mass transit is not available or not practical. It's impossible to make mass transit practical for everyone.
(I did public transit to my assignment (working as a consultant) for five years; won't work with my current one as it's a 2 hour journey for just 60 kilometers).
It’s fine to debate the merits of the policy, but don’t pretend it wouldn’t come at an enourmous cost.