The answer is hell to the yes, hombre/a.
This is how most people do it, actually. Some use the northbound sidewalks starting around Fulton and then they get back where they belong on the street when they get past Turk, where things flatten out near the blood bank, is what some people do.
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The SFMTA or some other alphabet soup org is going to change Masonic fairly soon, based upon surveys of people 70% of whom just happened to be/have been members of the local bicycle coalition, and somehow this makes the proposed changes “non-controversial,” or something.
MUNI will run slower, that’s for sure.