Transport for London (TfL) has already removed the roundabouts on both the northern and southern ends of the bridge in an attempt to improve the “intimidating” junctions.
These are being replaced with signalised crossroads, separating cyclists from motorists either physically or through timed-signals.
According to TfL, the bridge’s northern junction is the most dangerous in London for cyclists.
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In the three years leading up to 2021, there were 23 crashes at the junction, 21 of which involved cyclists.
As part of the work, signal-controlled pedestrian crossings will replace zebra crossings on the Westminster side of the bridge.
On the bridge itself, permanent security measures will be built to protect people walking and cycling the full length of both sides of the bridge.
New cycle lanes will also be provided on both sides of the bridge, and the bridge deck will be waterproofed and repaired.
To carry out these works, Lambeth Bridge will be completely shut for two weekends over the coming months.
This will take place between Friday February 7 and Monday February 10, as well as between Friday July 18 and Monday July 21.
Overnight closures will take place from Thursday January 30 until Friday February 7.
From Monday February 10 until Monday December 15, the bridge will be shut to vehicles heading south of the river, but will remain open in the opposite direction.
People will still be able to walk and cycle across the bridge during this one-way closure, but only pedestrians will be allowed to use the bridge during overnight and full closures.
As part of the safety upgrades, traffic flow around the bridge will be changed:
- Traffic exiting Horseferry Road onto Lambeth Bridge can only travel straight ahead except cyclists who are permitted to turn left
- No left turn from Millbank South to Horseferry Road
- No right turn from Milbank North to Horseferry Road
- No left turn from Lambeth Palace Road to Lambeth Road
- No right turn from Lambeth Road to Lambeth Palace Road
The palm tree at Lambeth Bridge’s northern roundabout has been relocated to the nearby Churchill Gardens Estate.
TfL has said that the trees on the Lambeth side of the bridge have been removed and are “not suitable for replanting”, but that new trees will be planted, as well as ground level planters.