Palani Express
The 22651/22652 Chennai-Palakkad Superfast Express is a daily express train between Chennai Central (MAS) and Palakkad Junction railway station (PGT) by Southern Railways via Salem-Karur-Dindigul-Palani-Pollachi section. In the beginning it ran between Chennai Central and Palani. Then it had been extended up to Pollachi Junction as a special train between Palani and Pollachi. In the 2017 it had been extended up to Palakkad Junction by serving two states Tamil Nadu and Kerala. The train covers a distance of 672 km(one-way) at an average speed of 57. Route. The train operates from Chennai  Central to Palakkad Junction via Tiruvallur, Arakkonam Jn, Katpadi, Jolarpettai, Morappur , Salem Jn, Rasipuram, Namakkal, Mohanur, Karur Jn, Dindigul Jn, Akkaraipatti, Oddanchatram, Chatrapatti, Palani, Udumalpet, Pollachi Jn and Palakkad Town. Timings. Runs Daily It runs with ICF-CBC coaches Locomotive. From Palakkad to Dindigul and vice versa, the locomotive used is GOC WDG3A diesel locomotive, as the route is not electrified. From Dindigul to Chennai Central, RPM WAP7 hauls the train.