Graham W, I did not understand your poem, I know that they don't have to rhyme, but this was too deep for me.
I'd of course say cycle, there is already a thread about how to get into central London, you would then go up Victoria Street and there is an opportunity to go back roads and/or through Hyde Park.
However today I had one pedestrian walk out in front of me at Traf Square, Lots of buzzy annoying scooters who also use the advance stop lines, a cyclist on his mobile on Peckham Canal cylcle route, and a driver going through Peckham who pulled out in front of me and tried to force me into a bendy bus (now as BD hates BB's what a way to go)
So after 20 years not so sure about cycling. Note that buses, taxis or White vans, the scourge of cyclists, did not directly cause my problems today