AH1

Asian Highway 1 shield
Asian Highway 1
Route information
Length20,557 km (12,774 mi)
Major junctions
East endTokyo, Japan 35°41′03″N 139°46′29″E / 35.68417°N 139.77472°E / 35.68417; 139.77472
West endKapıkule, Turkey 41°43′01″N 26°21′10″E / 41.71694°N 26.35278°E / 41.71694; 26.35278
Location
CountriesJapan, South Korea, North Korea, China, Vietnam, Cambodia, Thailand, Myanmar, India, Bangladesh, Pakistan, Afghanistan, Iran, Turkey
Highway system
  AH2

Asian Highway 1 (AH1) is the longest east-west route of the Asian Highway Network, running 20,557 km (12,774 mi) from Tokyo, Japan via Korea, China, Southeast Asia, Bangladesh, India, Pakistan, and Iran to the border between Turkey and Bulgaria west of Istanbul where it joins end-on with European route E80, running all the way to Lisbon, Portugal.