In dense urban area, such as Paris, car takes a lot of very precious space. They also significantly reduce the life expectancy of the other humans in the city,

In dense urban area, such as Paris, car takes a lot of very precious space. They also significantly reduce the life expectancy of the other humans in the city, directly (via accidents) or indirectly (via pollution) It seems to be a good idea to try and limit car usage as much as possible, and doing that implies making other alternatives, such as bike, more practical and pleasant. Again, this is speaking for dense urban area like Paris. Maybe things are different were you live.