Being safe in any endeavor is knowing what the rules are. And once you hit the streets as a pedestrian, a driver, a passenger, or a bicycle rider. There are some very specific and generic rules that need to be considered. There are some very basic laws to remember.
Wear a helmet.
It's probably not smart (or allowed) to ride your bicycle on the freeway in a major urban center.
It is important to know the local laws. We have included some here for your consideration.