I live in a big city, and I still often enjoy walking slowly. Walking (and cycling, some days) is the best part of my commute, I want to savour it. It's being s

I live in a big city, and I still often enjoy walking slowly. Walking (and cycling, some days) is the best part of my commute, I want to savour it. It's being stuck in the metro or bus that I'd rather speed up. People blocking your path is an orthogonal issue; I always take care not to do that, regardless of the speed I'm going at.