> Yes, there are a lot of people that use the car when they can not use it, thats still most of the car traffic.

so, do you have any data to back up that assertion? (I won't claim that I have any favorable to my argument, just the observation that driving in and Paris around Paris is pretty bad)

> For a lot of destination you can take 2-3 differentes routes.

most alternative routes usually take longer and end up congested whenever the main route is having issues.