TfL has been given the green light to construct the new Silvertown Tunnel which will enable more bus routes and also reduce congestion through the Blackwall Tunnel.
From TfL Press Release
Transport for London (TfL) has today been granted a Development Consent Order (DCO) by the Department for Transport (DfT) to deliver the Silvertown Tunnel - a new twin-bore road tunnel under the Thames in east London.