The Public Works Department, Arunachal Pradesh was created on 22/12/81 as an offshoot of the erstwhile Central Public Works Department. Initially, the department was the only engineering agency responsible for building public assets in most sectors in the State, namely roads and bridges, buildings under residential and non-residential category, Micro Hydel Power, Water Supply, flood and others. Subsequently, on creation of separate departments like the RWD (Rural Works Department), the department of Power, the PHED (Public Health Engineering Deptt.) and the WRD (Water resource Department.) the main activities of the PWD now stand confined to construction of Roads especially those connect administrative headquarters hubs of activities such as commerce, education, health care, tourism etc, state highways and national highways, Bridges, Buildings under General Pool Accommodation and Public Housing and maintenance of these assets. The PWD, however, continues to be the premier engineering department, making its presence felt in all walks of life of the people of the state.