The busy National Highway (NH-31) starting from its junction with NH-27 near Unnao connecting Lalganj, Raebareli, Salon, Pratapgarh, Machhlishahr, Jaunpur, Varanasi, Ghazipur, Ballia in the State of Uttar Pradesh Chhapra, Hajipur, Bakhtiyarpur, Mokama, Begusarai, Khagaria, Bihpur, Kora, Katihar in the State of Bihar, Harishchanderpur and terminating at its junction with NH-12 near Pandua in the State of West Bengal.
Sadisopur (Patna)-Dehri (Rohtas)
Morhar-Daniwayan
Dalkhola-Bak-Khali
Ram Dayalu Nagar (Muzaffarpur)-Barauni (Begusarai)