The Jolarpettai–Shoranur line connects Jolarpettai, on the Chennai Central–Bangalore City line in the Indian state of Tamil Nadu and Shoranur in Kerala. Incoming from Chennai side via Arakkonam and Katpadi at Jolarpettai,the railway lines further branches out towards Kozhikode, Nilambur and Thrissur sides in Shoranur. This network links the railway network in Kerala to the networks in Tamil Nadu and subsequently other states.

The Chennai Central – Bangalore City line is an electrified railway double line which connects Chennai and Bengaluru, the two largest cities in South India. It is officially known as Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station–Krantivira Sangolli Rayanna line, and earlier known as Madras–Bangalore line.