text: Of course it would seem to be way too impractical to up and abandon all cars and walk and/or bike everywhere. Alternative transportation is the key, at least in Bogota, Columbia. Source 3 states that its been the third straight year cars have been banned with only busses and taxies permitted for the Day Without Cars in the capitol city of 7 million. Violators of the ban were faces $25 fines for the goal to promote alternate transportation and reduce smog.