Federal Highway has just developed a very helpful resource page that summarizes which bicycle facility traffic control devices (Bike Signals, bike boxes, etc) are permitted in the MUTCD. For those devices which are not in the MUTCD, they have listed which devices are currently being researched and are considered experimental devices requiring approval for use.
The Bicycle Technical Committee (BTC) of the National Committee for Uniform Traffic Control Devices is presently developing proposals for the use of color, bicycle boxes, bicycle signals, priority shared lane markings, door zone markings. For further information on the BTC please see the following link:
Wednesday, March 16, 2011
FHWA clarifies status of on-road bicycle treatments
This just came in from the Association of Pedestrian and Bicycle Professionals listserve from Bill Schultheiss at the Toole Design Group. I've just copied most of his message here since it does as good a job as any in summarizing the FHWA fact sheet: