The more people who carpool, the fewer vehicles will be on the highways. Fewer vehicles on highways means less traffic congestion. Less traffic congestion also reduces traffic accidents.
Exhaust from automobiles pollutes the air. Pollutants in the air are dangerous for the environment and people. Higher levels of air pollution come from urban and high-traffic areas. When people carpool, they reduce the amount of pollution created.
Many people carpool to and from work. This reduces the number of automobiles on the roads. When there is less traffic, it reduces travel time. Carpooling can save a person 30 minutes or more a day, depending on how far he is traveling.
