Aside from all the cars parked in the cycling superhighway, because it's a weekend, we had the following this morning:
Firstly, the sensor (above lamp post in the photo below) to register the existence of cyclists waiting to cross St George's Road at the end of Elliot's Row wasn't working so the red light can't change to green. Dismount and walk across at the pedestrian crossing.
Coming back from the city, scaffolding works and a broken down street cleaner obstructs the way and....
Not an obstacle, but not safe either, was the Addison Lee driver who cut around us as we stopped at the end of Southwark Bridge and turned left through the red light we had stopped for.
The person I was giving a cycle lesson to was surprised to hear that the Chairman of Addison Lee is very keen on cyclists being trained, and wondered if he wouldn't be better advised to concentrate on training his drivers.