National Highway 47, commonly referred to as NH 47, is a busy highway that runs through some parts of Tamil Nadu and the south-west coast of Kerala state in India. The highway touches the cities of Salem, Avianshi, Coimbatore, Palakkad, Trichur, Cochin, Kollam all the way to the southern tip of India around Thiruvananthapuram (Trivandrum). It is easily accessible to most residents of Western Kerala, and runs within a few kilometers of Cochin International Airport, located in Nedumbassery, and another international airport, Trivandrum International Airport in the city of Thiruvananthapuram and Coimbatore airport. The road is the part of National Highway network of India, and it is officially listed as running over 650 km from Salem to Kanyakumari (both in Tamil Nadu).
Note: NH 47 is now at its worst condition ever. It is really unusable now.