I think this one gets filed under, “Asking for forgiveness is easier than asking for permission.”
http://www.bicycling.com/article/0,6610,s1-3-583-19643-1,00.html
A group of cyclists in LA painted their own bike lane on a dangerous bridge crossing. The lane lasted all of 100 hours before the DOT removed it and, comically, created another bike lane unintentionally
The article also discusses alternative transportation groups in Toronto and New York.
I’m not advocating anything illegal, but it seems that sometimes going outside the system can at least get the dialog started, especially when the system is ignoring you.
Obviously, this isn’t as critical as keeping bridges from falling down, but if we’re rebuilding those bridges anyway, can’t we encourage ways to ease traffic, lower pollution and reduce reliance on fossil fuels while we’re at it?