National Highway 47 (India)(old numbering)

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National Highway 47
Road map of India with National Highway 47 highlighted in solid blue color
Route information
Length: 620 km (390 mi)
Major junctions
North end: Salem, Tamil Nadu
  Coimbatore (NH 67),
Coimbatore (NH 209),
Palakkad (NH 213),
Edapally (NH 17),
Kundannoor (NH 49),
Kundannoor (NH 47A),
Kollam (NH 220),
Kollam (NH 208),
Nagarcoil (NH 47B)
South end: Kanyakumari, Tamil Nadu
States: Kerala: 416 km (258 mi)
Tamil Nadu: 224 km (139 mi)
Highway system
NH 46 NH 47A

National Highway 47 (abbreviated as NH 47) is a 620 km (390 mi) long highway connecting Salem and Kanyakumari in southern India. NH 47 passes through major cities of Coimbatore,Palakkad, Thrissur, Kochi, Kollam and Trivandrum.[1]

The highway is included in the North-South Corridor of the Indian highway system. It is currently undergoing conversion to 4 lane, with some sections being converted to 6 lane.[2][3] At the end of 2010, 40% of this stretch is 4 laned, and 35% under implementation.


Salem - Erode - Coimbatore - Palakkad - Thrissur - Aluva - Kochi - Alappuzha - Kollam - Thiruvananthapuram - Nagercoil - Kanyakumari[4]


The stretch between Coimbatore and Trivandrum via Kochi is one of the busiest in the Indian Highway system. Most of the traffic in this stretch comprises trucks carrying consumer goods, construction materials, container lorries and passenger vehicles. During night, the highway handles more goods traffic.[citation needed] Many number of Large Industries and Textile parks are located on this highway between Coimbatore, Erode and Tiruppur districts.

Four and Six laning[edit]

[The [National Highways Authority of India]] (NHAI) has been widening NH 47 to four lanes which before 2010 was predominantly a two-lane highway. The stretch from Cherthala to Coimbatore and Salem to Perundurai has already been converted to four lanes. The stretch from Perundurai to Coimbatore which would facilitate six-lane traffic is currently under construction.[5] Also, widening to six lanes is in progress between Thrissur and Walayar.

As of October 2014, reports indicate that much of the highway is now 4 or 6-laned - with gas stations, coffee outlets and eateries available at regular intervals on both sides of the highway.


In an effort to improve the traffic systems, the Kerala Road Safety Authority (KSRA) has completed the installation of automatic traffic enforcement systems on the 98 km Cherthala-Mannuthy stretch of NH 47.[6]


See also[edit]


  1. ^ "National Highways and their lengths". National Highways Authority of India. Retrieved 2009-02-12. 
  2. ^ "NS&EW Corridor Map". National Highway Authority of India. Retrieved 2011-02-10. 
  3. ^ "NS&EW Corridor Chainage Chart". National Highway Authority of India. Retrieved 2011-02-10. 
  4. ^ National Highway No. 47 Route: Maps of India
  5. ^ "Land acquisition issues may delay widening of NH 47". The Hindu (Chennai, India). 2009-12-04. 
  6. ^ "Now, jump red signal and get caught on cameras". The Times Of India. 2012-03-14.