Originally Posted by
christofoo
High speed commuting is not fundamentally unsafe. Put safety first and get a road bike and push yourself. Add bright clothing, reflectors, helmet mounted P7 LED, and the sharpest eye. Don't take chances to make numbers.
The whole reason I bike instead of drive is that I want a good workout. The value is halved if it isn't going to be a good vigorous workout, IMHO.
My point was that if you want to go as fast as possible in a city, you will be running lights often with traffic going through them and using every other dirty trick out there to keep your speed up.