AH42

Asian Highway 42 (AH42) is a route of the Asian Highway Network, running 3754 km from AH5 in Lanzhou, China to AH1 in Barhi, India.

It passes through the countries of China, Nepal, and India. It is the nearest Asian Highway to Mount Everest.

More than half of the route, from Lhasa to Lanzhou in China, is labelled as a "Potential Asian Highway."

China
It passes through following cities in China
 * Lanzhou - Xining - Golmud - Lhasa (when complete)
 * At the moment, Golmud - Nagqu uses.
 * Lhasa - Zhangmu

Nepal

 * NPL NH34.svg NH34 (Araniko Highway): Kodari - Kathmandu
 * NPL NH41.svg NH41 (Tribhuvan Highway): Kathmandu - Narayangarh (AH2) - Pathlaiya (AH2) - Birganj

India

 * Raxaul - Motihari - pipra kothi, Mehsi
 * Pipra Kothi - Mehsi - Muzaffarpur
 * Muzaffarpur
 * Muzaffarpur - Barauni
 * Barauni - Barh - Bakhtiarpur
 * Bakhtiarpur - Bihar Sharif - Nawada - Barhi