Complex sentence: It also serves as a link between Aurangabad and Hyderabad, in Andhra Pradesh; and it was formerly the only route, as there were no good roads in the Marathwada region.
Split into simpler sentences: It also serves as a link between Aurangabad and Hyderabad in Andhra Pradesh. As a matter of fact this line was formerly the only route of traffic as there were no good roads in the Marathwada region.