The Blackwall Tunnel is set to be partially closed over three weekends. Works for the new Silvertown Tunnel will see the tunnel closed southbound. The closures have been announced by Transport for London (TFL) with the first taking place this weekend – Saturday, February 24 through to Sunday, February 25. There will also be closures from Saturday, March 16 to Sunday, March 18 and Saturday, April 13 to Sunday, April 15. On each occasion, the tunnel will be closed from 12.01am on Saturday and reopened by 5am on the Monday. The works are required to implement the road configuration for the new Si…