The simplest shortest way I can re-state my answer to the FRAP question:
IF Roadway speed <= 25mph THEN there is usually no need for FRAP at all or any separate bicycle infrastructure, sharrows would be nice.
IF Roadway speed > 45mph THEN there is need for FRAP and a well designed bicycle lane correctly routed through intersections.
IF Roadway speed > 25mph and < 45mph THEN could go either way depending on individual conditions.
Edit: ~ Realizing of course that I consider FRAP to be if possible outside of the main traffic lane to the right of the white line and unless the lane is really wide (not happening in my area) sharing a lane with a car side by side I consider highly problematic at best.
Last edited by turbo1889; 08-11-13 at 12:21 PM.