Soon, Chennai to Bengaluru will take just 4 hours by train

Travel time from Chennai to Bengaluru and a few other destinations may reduce by at least 20 minutes in the coming days as railways has permitted increased speed of trains between Arakkonam and Jolarpet (144km) from 110kmph to 130kmph. The move comes after tracks and signals were upgraded. Chennai-Arakkonam stretch had already been upgraded for the enhanced speed.