Word forms: plural route maps
1. countable noun
A route map is a map that shows the main roads in a particular area or the main routes used by
buses, trains and other forms of transport in a particular area.
2. countable noun
If you describe one thing as a route map for another thing, you mean that it provides a model showing the best way to achieve or describe it.
[+ of] ⇒ Nowhere could you find a better route map of the troubles of Northern Ireland than
in the articles of The Independent's David McKittrick.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers