National Highways in Kerala
16 national highways pass through Kerala, 5 of them primary routes. Each entry below links to that highway's full route, start and end points, and the states it crosses.
16
Highways
5
Primary NHs
4,615
Total route km
NH 66Primary
Navi Mumbai → Kanyakumari
NH 72Primary
Hiriyur → Cherkala
NH 84Primary
Avinashi → Kumily
NH 85Primary
Kochi → Thondi
NH 88Primary
Kottayam → Nagercoil
NH 183
Dindigul → Kollam
NH 183A
Vandiperiyar → Sasthamkotta
NH 185
Adimali → Kumily
NH 385
Lockhart's Gap → Poppara
NH 544
Salem → Ernakulum
NH 585
Munnar → Magic Valley
NH 744
Tirumangalum → NH66 Chinnakada
NH 766
Kozhikode → Kollegal
NH 966
Ferokh → Palakkad
NH 966A
Kalamassery → Ernakulam
NH 966B
NH66 → Ernakulam
Frequently asked questions
How many national highways pass through Kerala?
16 national highways run through Kerala, of which 5 are primary (single- or double-digit) national highways and the rest are branch or spur routes.
Which is the longest national highway in Kerala?
Among the highways passing through Kerala, NH 66 is the longest at 1640.0 km, running from Navi Mumbai to Kanyakumari. Note that this is the highway's full length across all states it passes through, not only the portion inside Kerala.
What is the speed limit on national highways in Kerala?
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.