Blackwall Tunnel from immigrants; the tunnel lining was manufactured in Glasgow, while the manual labour came from provincial England, particularly Yorkshire. The tunnel was officially opened by the Prince of Wales on 22 May 1897. The total cost of the tunnel was £1.4 M and 800 men were employed in its construction, during which seven deaths were recorded. The southern entrance gateway to the tunnel, also known as Southern Tunnel House, was designed by LCC architect Thomas Blashill and was built just before the tunnel was completed. It comprises two floors with an attic. Today the western bore is only used for
Genting Sempah Tunnel additional tunnel for the eastbound traffic was constructed between 1995 and 1997 when the Karak Expressway was upgraded from a 2-lane highway to a high-speed multi-lane expressway. Genting Sempah Tunnel The Genting Sempah Tunnel is the first highway tunnel in Malaysia. Located on the Kuala Lumpur–Karak Expressway, the 900-metre tunnel connects Hulu Gombak in Selangor to Genting Sempah, Pahang. This tunnel was constructed between 1977 and 1979. The tunnel was officially opened in 1979 by the former Minister of Works and Communications, Abdul Ghani Gilong. The tunnel was once used to be the longest road tunnel in Malaysia before the