I did not expect it to work either, but it does. I'm sure they've got a runbook documenting which traffic situations lend themselves to cycle streets (probably

I did not expect it to work either, but it does. I'm sure they've got a runbook documenting which traffic situations lend themselves to cycle streets (probably some combination of heavy flow of cycle traffic combined with nudges to car drivers to take a different road if possible), but the ones in my city all work great without speed bumps.