text: In Bogota, Columbia cars have been banned for three years only buses and taxis are permitted to drive, The goal is to promote alternative transportation and reduce smog. They had to pay $25 fines if they were to violate the rule. People say "Its a good opportunity to take away stress and lower air pollution". Parks and sports centers also have spread throughout the city and uneven sidewalks have been replaced with broad, smooth sidewalks. Restrictions have dramatically cut traffic.    Driverless cars are a futuristic dream for many people. But now that they are becoming a reality some people support driverless cars and some do not support driverless cars. Driverless cars can be dangerous and could fail and hurt someone. Driverless cars should not be sold or used until they fix the danger involved. Making them safe for the public to drive.