Long term roadworks begin in Greenwich near Blackwall tunnel

Roads around the Blackwall tunnel are to see months of closures due to Silvertown tunnel construction work.

Works on the a102 central reservation begun earlier this week on Monday 17th October 2022 in preparation for major junction changes set to be introduced from 2025.

One lane both northbound and southbound of the A102 in Greenwich will be closed until 31st October 2022.

Silvertown tunnel exit in Greenwich will see two tunnels converge. Note bus lane already ended at tunnel mouth in this view

Then another six months of closures will begin as the southbound A102 just after the tunnel exit reduces from three lanes to two between Boord Street and the slip road onto Greenwich Peninsula and Blackwall Lane.

The slip road itself is to be reduced to one lane until summer 2023.

That slip road leads to the Peninsula which is seeing further homes and hotels built in the area, though there are zero plans to improve the area for pedestrians.

Slip road located on pedestrian link between new homes and nearby east Greenwich shops

The Peninsula is set to see over 20,000 homes, with new further major developments now commencing in recent weeks such as towers beside St Mary Magdalene school.

That was covered on this site last week. Work has also commenced on nearly 500 homes on Plot 19.04 and 19.05.


Upon completion of the Silverton tunnel, two tunnel’s worth of traffic will converge onto the existing road network in Greenwich including the A102 and A2.

A planned bus lane though Silvertown tunnel ends at the tunnel’s southern portal forcing buses (and HGVs who can also use the bus lane) into a large amount of traffic.

Silvertown Tunnel exit meets Blackwall Tunnel post-2025 (Click to enlarge)

Transport for London’s modelling predicts greater vehicle levels travelling southbound towards Kent through Greenwich borough each afternoon, though proponents of the tunnel have always avoided mentioning this element of the plan, instead preferring to talk about alleviating traffic northbound in the morning.

Public realm in Greenwich Peninsula

Traffic modelling and measurement presented to local authorities is also heavily based upon traffic levels north of the Thames.

Though limited in coverage compared to north of the Thames, roads south of the Thames are set to see congestion increase in a recent presentation given by TfL.

Riverlinx are constructing the tunnel with a 2025 completion date, though that was before a serious fire broke out in recent weeks.


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I've lived in south east London most of my life growing up in Greenwich borough and working in the area for many years. The site has contributors on occasion and we cover many different topics. Living and working in the area offers an insight into what is happening locally.

One thought on “Long term roadworks begin in Greenwich near Blackwall tunnel

  • Traffic congestion in and around Greenwich and the A102 is set to get much worse all through the winter. While these road works take place. Traffic congestion in and around the area is bad enough has it is.

    These roads work will also have an affect on bus services with services delayed or curtailed short of their normal destinations. So extra time will have to added to your normal journey times. It will be a nightmare while these road works are completed..


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