text: By limiting their car usage many cities have improved their enviroments and their lives.  In all these cities greenhous gas levels are reduced, the smog levels in Paris have fallen, safety in these cities has improved, and the stress of transportation has become less of an issue. With all of these advantages is there really a question why these cities have been limiting car usage? When you think about the advantages of reducing private transportation these vehicle bans make perfect sense.    Phones and Driving