For those that are interested in knowing service begins with 12:49 pm southbound route. Opening day will be free. After that for 10 days from Aug 26 - Sept 4 Half Off fare.
(There is a $1.50 adult fare transfer credit between SMART and all the north bay transit services: Santa Rosa City Bus, Sonoma County Transit, Petaluma Transit, Marin Transit, Golden Gate Transit.)
I plan on purchasing a 31-day pass on Clipper Card since it is also half off, $100 instead of the standard price of $200.
Looking at public transportation only I think there are about three different ways to get to San Francisco.
Getting on a Golden Gate Transit Bus at the San Rafael Transit Center, ex. bus route 101 which runs seven days a week.
Another option is taking a bus from the San Rafael Transit Center to the Larkspur Ferry Terminal. The free shuttle bus is supposed to be Golden Gate Transit Bus route 31 but I have not seen or heard anything about what day that bus will start running. But there are other buses that go to the Larkspur Ferry Terminal such as Marin Transit Bus route 228 which runs seven days a week.
Other option could be getting on Golden Gate Transit Bus route 40 that goes from the San Rafael Transit Center to El Cerrito Del Norte BART Sation and taking BART to San Francisco.



Elton John (as well as Kenny Rogers) both wrote songs referencing this boondoggle:
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