line: Kennedy Town - Heng Fa Chuen Tuen Ma line: Hin Keng - Tsuen Wan West (including Lion Rock Tunnel mentioned above; after Tsuen Wan West the railway line continue onto Tai Lam Tunnel and Kwai Tsing Tunnels mentioned above), except for the section near Nam Cheong and Hung Hom Tseung Kwan O line: Entire line (except a short section between Lohas Park and Pak Shing Kok Tunnel) High-speed rail: Hong Kong Express Rail Link: Entire line Former tunnels: Tunnel No. 1 Tunnel No. 3 Tunnel No. 4 Old Beacon Hill Tunnel A tunnel near Tong To Village on the former Sha Tau Kok Railway The Hong Kong International Airport Automated People Mover also features tunnel portions. Railway bridges and viaducts MTR East Rail line / Through Train Lo Wu Bridge Bridge over Lam Tsuen River Bridge over Tai Po River (three tracks) Bridge over Tai Wai Nullah Bridge over Fo Tan Nullah (five tracks) Bridge over Cheung Shui Tam (near the junction of Yau King Lane and Cheung Tai Road; decommissioned) Island line Heng Fa Chuen - Chai Wan Viaduct Kwun Tong line Kowloon Bay - Lam Tin Viaduct Tuen Ma line Tai Wai - Shek Mun Viaduct (including a section over the Siu Lek Yuen Nullah) Tai Shui Hang - Wu Kai Sha Viaduct A road-rail bridge (with Ma On Shan Road) over Nui Po Tung Hang Kam Sheung Road–Tuen Mun Viaduct (longest bridge/viaduct in Hong Kong) South Island line Ocean Park - Wong Chuk Hang Viaduct Aberdeen Channel Bridge Tsuen Wan line Kwai Fong - Kwai Hing Viaduct Lantau Railway (Tung Chung line / Airport Express) Kap Shui Mun Bridge Ma Wan Viaduct Tsing Lai Bridge Tsing Ma Bridge Railway bridge between Lantau Island & Chek Lap Kok Island Light Rail Hoi Wong Road over Tuen Mun River Castle Peak Road - Hung Shui Kiu over Hung Shui River Castle Peak Road - Yuen Long over Yuen Long Nullah Pui To Road over Tuen Mun River Fung Tei Station to Siu Hong Station over Tuen Mun River Bridge across the junction of Tin Wah Road and Tin Shui Road Peak Tram Bridge over Kennedy Road Tram Bowrington Bridge over Bowrington Canal (subsumed) Former Sha Tau Kok Railway Various bridges, including one in Wo Hang, one in Shek Au Chung and another in Ma Tseuk Leng Others Other tunnels Drainage tunnels Hong Kong West Drainage Tunnel Po Shan