TOML
Road Types in Japan - TOML
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
[[items]]
code = "1"
slug = "expressway"
name = "Expressway"
description = "High-speed roads forming the core of the national automobile traffic network."
[[items]]
code = "2"
slug = "national-highway"
name = "National Highway"
description = "Roads forming the national trunk road network."
[[items]]
code = "3"
slug = "prefectural-road"
name = "Prefectural Road"
description = "Roads forming the regional trunk road network."
[[items]]
code = "4"
slug = "municipal-road"
name = "Municipal Road"
description = "Residential roads within municipal areas."