San Francisco is the crucible (by US standards) of dealing with pedestrians and I'm still shocked they launched there so early. But with something as distinct and vulnerable as school busses, it's time to think about hardware installation so automated vehicles can "see" farther ahead.
The state of California has a knack for this kind of light extortion when it comes to the local megacorps. I also wonder what kind of mass transit you envision for the vast rural regions that make up half of this country that are spectacularly ill-suited for any known modes of public transit.
