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Good animation of the M-Ocean View rerouting through Parkmerced:

• Video Link

Pretty cool. Looking forward to this area being redeveloped into higher density and better transit orientation.

What happened to the full subway alignment?

^ That's actually unclear to me as well as the "officialness" of this engineering animation. It coyld be that this is a stop gap and the section through Parkmerced may or not be made underground in a future Muni Metro project to create the fully underground M line. More info here.