TSV
Road Types in Japan - TSV
Japanese roads are classified into four types under the Road Act: expressways, national highways, prefectural roads, and municipal roads. Each type differs in managing authority, legal status, and role, forming a hierarchical structure from national trunk roads to local trunk roads and residential streets.
road
expressway
highway
national road
prefectural road
municipal road
infrastructure
code slug name description
1 expressway Expressway High-speed roads forming the core of the national automobile traffic network.
2 national-highway National Highway Roads forming the national trunk road network.
3 prefectural-road Prefectural Road Roads forming the regional trunk road network.
4 municipal-road Municipal Road Residential roads within municipal areas.