Smoothride.com offers te most secure carpools available. By background checking through a driver's driver liscence, smoothride.com makes sure that they do not have any serious driver infractions. Also, there is a driver rating system that allows passengers to rate a driver's performance. People who are very concerned about safety can pay for an app that monitors their location during their carpools. Finally, information about each driver and passenger is on their profile page; such as their real name, driver's plate, and profile picture.