SFO and LAX send a lot of traffic to each other (each one is the other's top domestic destination), and there doesn't seem to be a directional preference: http

SFO and LAX send a lot of traffic to each other (each one is the other's top domestic destination), and there doesn't seem to be a directional preference: https://www.transtats.bts.gov/airports.asp?pn=1&Airport=LAX&carrier=FACTS https://www.transtats.bts.gov/airports.asp?pn=1&Airport=LAX&... https://www.transtats.bts.gov/airports.asp?pn=1&Airport=SFO&carrier=FACTS https://www.transtats.bts.gov/airports.asp?pn=1&Airport=SFO&... There may be a practical argument that the HSR would make it easier to commute to SF from further away, which might relieve housing pressure a bit. But I really do think it mostly comes down to politics, and to there being more people in the SF area whose politics lean toward public transit/public works than in the LA area.