The Blackwall Tunnel will be closed to southbound traffic at certain times this weekend, affecting transport for some drivers.

The tunnel will be closed from 12am on Saturday (October 21) to 5am on Monday (October 23).

These closures will be in place due to works to the northbound carriageway on the northbound Blackwall Tunnel approach.

Changes will be made to Pear Island on the northbound approach to the Blackwall Tunnel, according to Riverlinx.

This follows the completion of southbound carriageway works to allow for the final road configuration for the Silvertown Tunnel in 2025.

Changes will also be made to the northbound carriageway over this weekend to move where three lanes become two on the approach to the Blackwall Tunnel.

From 12am on Monday, October 23, northbound buses will return to their normal route and southbound buses will be diverted via Tower Bridge until the tunnel is re-opened to southbound traffic.

TfL and Riverlinx say they are “committed” to ensuring that two lanes through the northbound Blackwall Tunnel are maintained while further works are completed.

Across the weekend, the Blackwall Tunnel will be closed for southbound traffic and traffic will be required to take alternative routes.

Northbound traffic will not be affected by these closures as traffic will be diverted through the southbound Blackwall Tunnel.

There will be no access to Tunnel Avenue from the A102 at Pear Island across the weekend due to the works.

The northbound on-slip on Blackwall Lane will also be closed and a signed diversion via the Woolwich Flyover roundabout will be in place.

Drivers are advised to plan their routes in advance, checking before they travel so they can consider any traffic or restrictions.

Drivers of HGVs, as well as vans more than two metres in height or weighing more than two tonnes, are advised to consider routes away from central London across the weekend where possible.

TfL has worked with third party app Waze, to help alert drivers who regularly use the Blackwall Tunnel.

TfL will also carry out works within and around the tunnel, to help with future maintenance work.

The route 108, the only bus route that operates through the Blackwall Tunnel, will be split in two, operating between both Lewisham and North Greenwich and between Canning Town and Stratford.

Customers are advised to then change onto the Jubilee line to cross the river to complete their journeys.

Customers of the route 108 who then use the Jubilee line as part of their journey over the weekend will not be charged for the Tube section of their journey, TfL confirmed.

Carl Eddleston, Director of Network Management and Resilience at TfL said: “The Blackwall Tunnel is used by tens of thousands of vehicles every day and we appreciate that these works will have an impact on some drivers.

“Having completed works to the southbound carriageway, we are now working with Riverlinx CJV to prepare the northbound carriageway for the new Silvertown Tunnel.

“We have worked hard to try and limit the potential disruption these will cause, such as ensuring a northbound route can be maintained throughout these closures.

“We will also be taking the opportunity to carry out works within and around the tunnel to help deliver future maintenance work more efficiently and ensure it continues to safely operate.”