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 Palani. This is the only train that connects Palani, Udumalaipettai & Pollachi with the state capital Chennai. The train covers a distance of 672 km(one-way) at an average speed of 57.