A map, especially one for motorists, showing and designating the roads of a region.
A set of guidelines, instructions, or explanations: wrote an ethics code as a road map for the behavior of elected officials.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.