That white VW Beetle became famous in its own right. Parked there by chance, the owner, who lived there, later got fed up with the numberplate being stolen and sold it. Nowadays it is in the Volkswagen museum in Germany.
In shot, further along the road on the opposite side is the black police van of the era which police officers had come out in to stop the traffic both ways for a minute or two while the photo was being taken.
The Abbey Road on the DLR, being unstaffed, has posters which not only tell you that you are at the wrong one, but to go to St Johns Wood and how to get there. They have been there since the station opened, when they featured extensively in the initial publicity. The poster text also contains various puns on Beatles song titles.