text: Traffic jams and overcrowding of road ways prevents the use of cars to acheive its full potential. For every person that uses public transportation that is on less car on the roads if everyone in a city such as Bogota, Colombia where to stop all useage of privte motor vheciles the amount of traffic jams and overcrowding would decrease dramaticly. People in Bogota, Colombia are doing that very such thing every year the city bans all non public transportion vheicles and requires all residents to find their own way to comute to where they need to go this has been going on for three straight years now "It's a good opportunity to tke away stress and lower air pollution" says businessman Carlos Arturo Plaza.