Not everybody can bring a car when they come to college, although that may be the easiest way to get around. IU and the Bloomington community understand the difficulties with transportation and makes things less of a pain for those who can't drive. It may take a little practice if you've never ridden the bus before, but campus and the surrounding area is covered with bus stops that can take you all over town. If you're patient and don't mind taking a little longer-or a lot longer-to get where you're going, then the bus system is the best thing for you. There is also an extensive bus system that only serves campus, but unlike the Bloomington Transit buses, it costs everyone money. You can buy a pass for about $100, but most people just get used to walking to class, no matter how far away their dorms are.
If you are trying to get away, there are ways to do that, too. There are online boards for ride exchanges; often, you can find someone headed where you want to go and can catch a ride in exchange for some gas money. If sharing a car with a stranger doesn't appeal to you, there's always the shuttle to the airport (if you are flying out of state), which is reliable but slow. The shuttle runs on a set schedule, and you may have to get to the airport a few hours before your flight is scheduled to leave. Taxis are great for getting around on the weekends (especially if your designated driver has accidentally gotten drunk), but they can be expensive. There are options for everyone, whether you're supplied with a car or not, but the best route may be to make friends with someone who owns a car (and mooch a little) and save yourself some hassle.