Blackwall tunnel approach road in Greenwich to be closed for Aug 24, 2020 11:46:31 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Aug 24, 2020 11:46:31 GMT Blackwall tunnel approach road in Greenwich to be closed for 18 months (23 Aug 2020)Work next month will see a slip road in Greenwich leading to the A102 Blackwall tunnel closed to all vehicles.The northern slip road leading from Angerstein roundabout will see barriers installed and then only permitting emergency access.www.fromthemurkydepths.co.uk/2020/08/23/blackwall-tunnel-approach-road-in-greenwich-to-be-closed-for-18-months/