That is a bad assumption. Because if you have other public transport and regional rail, that connects to the high speed rail backbone. All of sudden somebody th

That is a bad assumption. Because if you have other public transport and regional rail, that connects to the high speed rail backbone. All of sudden somebody that wants to go to LA of SF would take the regional rail to the next high speed train station. Thus those persons wouldn't drive. California has done a lot since the 1990 in terms of regional rail and things like electrification of Caltrain are no brainers. But they need to do a lot more. High speed rail is successful when its integrated into lots of regional rails.