I posted these links before the meltdown last week. They might be useful for anyone with a bent to doing some on-site survey work, etc etc. The name for it is Bicycle Level of Service.

http://www.jfparker.demon.co.uk/CRP2.txt
(English, located on the site of Jeremy Parker, a respected British advocate)

http://www.chibikefed.org/blos/blosintro.html
American, provided by Chicagoland Bicycle Federation & League of Illinois Bicyclists. It's the easier of the two to use, I think.

FWIW

R