noun
road network; highway network
Refers to the interconnected system of roads and highways, often in the context of infrastructure planning or traffic management.
この地域の道路網はよく整備されている。
The road network in this area is well developed.
新しい高速道路が道路網に加わった。
A new expressway was added to the highway network.
Compound of 道路 (road) and 網 (network). The kanji 網 originally means 'net', metaphorically extended to 'network'.