Originally Posted by Chris L

I agree. If it's going to be done it needs to be rethought. I saw a suggestion on the bike-qld list years ago that involved using smaller groups of cyclists rather than one big mass. From what I recall, the idea was to take over more streets and, being in a smaller group, show the full advantage that a bicycle has over a car in gridlock by sliding through the traffic unobtrusively. That could work, but critical mass in it's current form seems to be pretty ineffective.