National Highways wing of the State PWD was formed for the maintenance and upkeep of National Highways entrusted to State PWD in accordance with NH Act 1956 by Ministry of Road Transport and Highways(MoRTH), Government of India. There are 11 National Highways in Kerala with a total length of 1781.5 KM and of which 548 KM of NH is currently maintained by the State PWD. The remaining 1233.5 KM is currently with the National Highway Authority of India(NHAI) as part of the four/six laning programme of MoRTH.
National Highways in Kerala
| Sl.No | Name of National Highway | NH Number |
|---|---|---|
| 1 | Thalappadi(Kerala Karnataka Border) - Karode (Kerala Tamilnadu Border) | 66 |
| 2 | Walayar-Edapally | 544 |
| 3 | Kollam - Kottavasal | 744 |
| 4 | Bodimettu - Kundanoor | 85 |
| 5 | Kozhikode - Palakkad | 966 |
| 6 | Kozhikode - Muthanga | 766 |
| 7 | Wellington Island - Kundanoor | 966B |
| 8 | Kollam - Theni | 183 |
| 9 | Bharanikavu – Pathanamthitta - Vandiperiyar | 183A |
| 10 | Adimali - Vandiperiyar | 185 |
| 11 | Kalamassery - Vallarpadom | 966A |
Serial no. 1 to 5 are earmarked for widening to 6 / 4laning under Bharathmala Pariyojana through NHAI.
National Highways wing deals with the planning, project preparation, construction and maintenance of all National Highways and its bridges. NH wing is having its headquarters at Thiruvananthapuram and is under the control of a Chief Engineer of the Public Works Department assisted by 2 Superintendenting Engineers located in 2 circle offices and 4 Executive Engineers in 4 NH Divisions.Serial no. 1 to 5 are earmarked for widening to 6 / 4 laning under Bharathmala Pariyojana through NHAI.