Japan National Route 56

National Route 56 is a national highway of Japan connecting Kōchi and Matsuyama.

History
Route 56 was designated on 18 May 1953 on the current route as National Route 197, and this was redesignated as Route 56 on 1 April 1963 when the route was promoted to a first-class highway.

Route data

 * Length: 300.2 km (186.54 mi).