as both khammam and dornakal are choke points to scr even khammam is worse because of only 2 operatonal pfs 3rd not using for passenger trains, dornakal has 4 pfs and many tracks to hold as many as trains comes. As part kazipet vijayawada tripling i contacted station manager he said after completion of tripling khammam will have same model as warangal both sides with single track in between WHAT DO U SAY BRO