a map that shows the roads of an area, especially one that is designed for a person who is driving a car （尤指为开车者设计的）公路交通图 Do you have a road map with you? 你有路线图吗？
a set of instructions or suggestions about how to do something or find out about something 指南 a plan for the future, usually with a particular goal He described a road map for peace in the region. 他描述了该地区和平的路线图。