Go to your local gas station. Travelers can find maps of state routes, interstate highways and other popular roads for long-distance driving.
Log on to an Internet map service. Some common sites to find free maps are Mapquest, Google, and Yahoo! You can print maps for any town or city, and you can make it as detailed as you like.
Locate the visitors center at a tourist attraction. The center will offer maps of local areas and other popular places. These centers can be found at destinations both in the U.S. and abroad.
Visit your local library. Libraries, in particular universities and colleges, have collections of maps. They can have up to date ones, and even road maps from before most of the area existed. Smaller libraries will have maps, but the collection will be much smaller.
Purchase a map from a map store. Most map stores can be found online. Some maps include Rand McNally, West Map Co., and eMap Store. You can usually find exactly the road map you need.