South Central Railway commissions longest electrified tunnel in Andhra Pradesh.

The South Central Railway has commissioned the longest electrified tunnel of India. The tunnel which is between Cherlopalli and Rapuru stations is 6.6 km long, is built at a total cost of Rs460 crore.
The horse shoe shaped tunnel is of 6.5 metres height with ballastless track and LED lighting provided at 10 metre intervals inside.