You can't fight geometry. Transit capacity will be 15–20% of normal due to social distancing. If even a small portion of the 8,000,000 daily trips which won't fit onto transit is done by cars instead, the city will be utterly paralyzed.
The only way to fit those people is 
.
London can’t grind to a halt when lockdown restrictions are lifted. That’s why we’ve set in motion the biggest transformation any city of our size has ever seen to make walking and cycling a more accessible and safe means of travel. @BBCNewspic.twitter.com/Jp1LLYk6mt
-
-
This Tweet is unavailable.
-
-
-
-
Lol..... London stopped by bikes.........
-
Pretty sure he said it is the cars that will stop London if people switch to driving.
- Show replies
New conversation -
-
-
Walking in London, a safe means of travel.......... NOT!!!
-
Why not? Millions of people do it every day. The main danger comes from drivers and there's much fewer cars on the roads now
- Show replies
New conversation -
-
-
That's good news, we can cancel the Silvertown Tunnel!
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
and you think everyone is going to walk and cycle everywhere when it’s raining? -
I am all for cycling but not for me when too cold, windy or raining
- Show replies
New conversation -
-
-
The cycle path in woodford new road has been half done. Nobody working there for the past 4 weeks even though workers had enough space to give each other 2 metres. As per what I saw is one in the small digger, one with a wheels Barrow and one flattening.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.