CNB WAG-7 hauled 3019 Up Howrah-Kathgodam Bagh Express bifurcates from the Patna bound double lines at Rampur Dumra Junction to take a full curve to cross the double lines to Patna Jn. at Hatidah before Rajendra Pul over river Ganga.All trains like Mithila Exp,Mithilanchal,Tirhut,Jansadharan,Purvanchal,Gangasagar,Ballia take this route to cross river Ganga to reach Barauni Junction.