TSV
Road Classifications in Japan - TSV
Roads in Japan are classified from various perspectives, including legal distinctions under the Road Act, technical standards under the Road Structure Ordinance, functional roles, and access restrictions. Major classifications include administrative distinctions such as National Expressways, National Highways, Prefectural Roads, and Municipal Roads, as well as structural classifications from Type 1 to Type 4.
Roads
Transportation
Infrastructure
MLIT
Road Act
code slug name description category
road-act-1 national-expressways National Expressways Roads designated for high-speed motor vehicle traffic, forming a nationwide automotive transportation network. Classification by Road Act
road-act-2 national-highways National Highways National roads other than National Expressways, designated by Cabinet Order. Classification by Road Act
road-act-3 prefectural-roads Prefectural Roads Roads forming regional trunk road networks, certified by prefectural governors. Classification by Road Act
road-act-4 municipal-roads Municipal Roads Roads within municipal areas, certified by mayors of municipalities. Classification by Road Act
structure-type-1 type-1-road Type 1 Road National expressways and exclusive motor vehicle roads in rural areas. Classification by Road Structure Ordinance
structure-type-2 type-2-road Type 2 Road National expressways and exclusive motor vehicle roads in urban areas. Classification by Road Structure Ordinance
structure-type-3 type-3-road Type 3 Road Other roads (general roads) in rural areas. Classification by Road Structure Ordinance
structure-type-4 type-4-road Type 4 Road Other roads (general roads) in urban areas. Classification by Road Structure Ordinance
access-1 exclusive-motor-vehicle-road Exclusive Motor Vehicle Road Roads restricted to motor vehicles with controlled access. Classification by Access Restriction
access-2 general-road General Road Collective term for roads other than exclusive motor vehicle roads. Classification by Access Restriction