text: "Car-free dayis spinning into a big hit in Bogota."source(3)Millions of Colombians hiked,biked,skated or took buses to work during a car-free day yesterday,leaving the streets of this of capital city eerily devoid of traffic jams."(20) To me that's a good idea. With only buses and taxis permiited for the Day Without Cars in this capital city of 7 million. This goal is to promote alternative transportation and reduce smog. Violattors faced $25 fines.