Highway Royalty-Free Stock Image

Newly constructed Asian Highway (AH1) near Kaziranga National Park, Assam. Asian Highway 1 (AH1) is the longest route of the Asian Highway Network, running 20,557 kilometres (12,774 mi) from Tokyo, Japan via Korea, China, Hong Kong, Southeast Asia, Bangladesh, India, Pakistan, Afghanistan and Iran to the border between Turkey and Bulgaria west of Istanbul where it joins end-on with European route E80.