Road transport is another important backbone for the town to connect with the rest of the state. Easily accessible by road by a branch-off (40 km) from national highway NH-37, Duliajan is also well connected to the nearest district headquarters of Tinsukia and Dibrugarh. NH-37 traverses the state of Assam connecting all major towns and cities. Buses, both private and ASTC, on a daily basis, ply to Guwahati, Nagaon, Jorhat, Dibrugarh, Tinsukia and even to parts of Arunachal Pradesh. Buses are sometimes, locally referred to as "Supers".