or road map
[ rohd-map ]
/ ˈroʊdˌmæp /
a map designed for motorists, showing the principal cities and towns of a state or area, the chief roads, usually tourist attractions and places of historical interest, and the mileage from one place to another.
any plan or guide to show how something is arranged or can be accomplished: your road map to financial independence.
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Origin of roadmap
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for road map
a map intended for drivers, showing roads, distances, etc in a country or area
a plan or guide for future actions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012