In most cities, public transportation is the easiest and fastest way to get around. Navigating public transportation can be tough for older adults who have trouble with balance. Here are some tips from about.com for how to use public transportation safely.

Always wear a seatbelt when riding in a taxi
Don’t rush across a street to meet a bus
When you’re on a bus or subway, make sure you have a free hand to hold on to a railing if there’s no seat for you
Be careful not to step in the gap between the train and the platform when get on and off a train
Have your bus fare ready before you get on the bus, so that you don’t have to stand while looking for your fare
When you’re exiting a car or bus pay attention to where you’re stepping and make sure there aren’t uneven spots of pavement or potholes