The Sha Tin Heights Tunnel project involved the construction of 0.9 km of road tunnel and a toll plaza, along with connecting roads to Road T3 and slip roads to Che Kung Miu Road. The project had an estimated cost of HK$1.308 billion. The excavation of the tunnel began in November 2002. The project was undertaken by the Civil Engineering and Development Department (CEDD) in Hong Kong. The project included: