Maps are good to have for public transit, and some imaginary maps clues into our heads. Transit seems to have endless of solutions both as the visual system and as the vehicles, as these dubbel-busses from Luzern and the tripple-busses from Hamburg.
Above: Freiburg, trams have the space in the middle of the road, and cars at the sides. they have to cross some. In Vauban where cars are limited and ground covered with grass to reduce the sound (left above), the tram takes most of the transportation to the citycenter, as well as bikes. City center in Freiburg is also car reduced and it's only the tram you have to watch out for.
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San Francisco, famous for their hills with old trams for the tourists also got a more modern kind of tram system Muni, buses in town and BART (Bay Area Rapit Transit), a mix betweeen subway and train, for longer distances in the San Fransisco Bay area. But most, they use cars. As a tourist it is quite hard to find the bus routes if you don't know them, and it seems as they don't allow people who are not in the system to go to the system.
Istanbul, the city with an estimated number of 10 million inhabitans: a tram road without cars, and pedestrian on the sides. Cars have to turn another way (right picture). A very common sight were the trams are is that it is a little bit more harmonic, with people walking and not so many cars, but were the cars are.. it's a lot of cars.
From a terrible city of car jams and accidents to a city with a bus system that works as a subway, and that with less money invested; the city with a big change was Bogota in Colombia (click to read more).
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What do we see more of in future? More public transit or more roads and cars? A complete listing of Light Rail, Light Railway, Tramway, Metro systems throughout the World, can be found at this homepage.
If you still consider cars before public transport, just watch this video in another future before you say decide.