National Highways in Andaman and Nicobar Islands
2 national highways pass through Andaman and Nicobar Islands, 1 of them primary routes. Each entry below links to that highway's full route, start and end points, and the states it crosses.
2
Highways
1
Primary NHs
362
Total route km
Frequently asked questions
How many national highways pass through Andaman and Nicobar Islands?
2 national highways run through Andaman and Nicobar Islands, of which 1 are primary (single- or double-digit) national highways and the rest are branch or spur routes.
Which is the longest national highway in Andaman and Nicobar Islands?
Among the highways passing through Andaman and Nicobar Islands, NH 4 is the longest at 334.0 km, running from Port Blair to Lamiya Bay. Note that this is the highway's full length across all states it passes through, not only the portion inside Andaman and Nicobar Islands.
What is the speed limit on national highways in Andaman and Nicobar Islands?
On national highways the default limit notified by the Ministry of Road Transport & Highways is 100 km/h for cars on four-lane and wider divided carriageways, 80 km/h on undivided highways, and 80 km/h for light goods vehicles. State authorities and NHAI can notify lower limits on specific stretches, and the signposted limit always overrides the default.