National Highway Number: 31
National Highway Number 31 Route: Junction with National Highway No. 2 near Barhi-Bhaktiarpur- Mokameh-Purnea-Dalkola-Siliguri-Sivok-Cooch-Behar-North Salmara-Nalbari-Charali Amingaon Junction with National Highway No. 37
National Highway Number 31 State through which passing: Jharkhand, Bihar, West Bengal, Assam
National Highway Number 31 Starting From: Barhi
National Highway Number 31 Ending at: Charali Amingaon
Total Length of NH 31 (km): 1125
National Highway Number 31 Length passing through State (km):
Jharkhand – 44
Bihar – 393
West Bengal – 366
Assam – 322
Nation Highway Number 31 Map:
Image Source: Wikipedia