The first sections of road (Lung Cheung Road & Ching Cheung Road, built in 1961) were built as a 5 lane trunk road (then called Route 4; renamed when Route 7 on Hong Kong Island was renamed Route 4), it was expanded to the current 6 lane highway. The highway was completed in 1990 following the opening of the Tseung Kwan O Tunnel. Route 7 consists of three parts: The areas traversed by Route 7 include: * Tseung Kwan O * Tseung Kwan O Tunnel * Kwun Tong * Wong Tai Sin * Sham Shui Po * Lai Chi Kok * Kwai Chung Route 7 intersects a number of other highways including: