Boris Johnson, the Mayor of London, stood waiting at the traffic lights in Trafalgar Square. He passed otherwise unnoticed through the streets, I imagine by virtue of a) being alone, b) wearing a helmet and c) stopping at the lights.
He gave a friendly wave which is about to be performed here.
The politician’s commute, mildly hindered by the electorate
See Transport for London’s cycling site for some of his initiatives.
Update — See also BBC article about cycling after some ‘oiks’ to rescue a damsel in Camden.