Road Construction Department as a premier works department of Government of Bihar conducts planning, designing, construction, improvement, strengthening and maintenance of roads and bridges,including flyovers, ROBs and elevated corridors.Contruction, up-gradation and maintenanceof road network system comprising roads categorized under National Highways, State Highways and Major District Roads are undertaken to optimize overall tranportation and operational cost by developing high quality road infrastructure using the latest construction techniques to accelerate industrial,commercial,agricultural and other social economics developments like tourism and cultural heritage of the state.