I have trouble laying my hands on this sometimes, so here is a source for the AASHTO Guide for the Development of Bicycle Facilities,1999 — which is the most recent final version; it’s a largish (2.5MByte) .pdf available from the here, via azmag.gov (Maricopa Assoc of Governments). You can purchase the book directly from AASHTO
This book gives the accepted guidelines for dimensions and usage of various bicycle facilities, i.e. bike lanes, wide curb lanes.
There is also a DRAFT revision dated February 2010: DRAFT AASHTO Guide for the Planning, Design, and Operation of Bicycle Facilities (link now dead), possibly because… Continue reading AASHTO Guide for the Development of Bicycle Facilities