Cars are transforming. People are trying to create cars that don´ t need a driver. There are a lot of things to take into consideration  when making one of these. You have to make sure that your car knows what everything is. There have been cars that have mistaken a cargo truck for a bridge, and rammed into it. These are one of the many things you have to consider when making a self-driving car. Another thing people have to be careful of is bad drivers. There are a lot of bad drivers in the world and self-driving cars will have to know how to deal with these people. There are also many other things people have to take into consideration when making a self-driving cars, but these are some of the main ones.