@Keet
they can't fall out the sky so any accidents are likely to be with less casualties, even with more passengers.
September 22, 1993 - Sunset Limited goes into an Alabama swamp at 70 miles per hour due a barge hitting the bridge literally just a few minutes before. 47 people killed, 103 injured.
September 12, 2008 - Chatsworth, California - 25 killed, 130 injured, MetroLink passenger train blows red-light, head on into a freight train
There's been a lot more - back when we had a lot of passenger liners, there were 1 or two fatal train wrecks every year, typically with 30+ people killed.
Of course, this completely ignores the OTHER side of things - grade crossing accidents. In 2019, there were still 2,200 of those in the US. The train CAN'T dodge. I've been a passenger on a train that did that, and it was a fatal accident.
Do I need to go on?
Yes, how about actual cost?
High speed double track rail - between $2.3 - $2.6 million per MILE.
High speed single track rail - between $1.6 - $1.8 million per MILE.
Oh, did you need turnouts? (switches) - $700,000 EACH
Need some sidings, for passing tracks, each maybe 1.25 miles long - $2.5 million EACH
And you need to fence the high speed rail, that's $200,000 per MILE.
Don't forget that you better have some way to control those trains, since they're high speed. That's another $400,000 per MILE.
Chicago to St. Louis - 300 miles. With appropriate turnouts, you're talking a smooth $1 billion dollars for two rail tracks, that only connect those two cities. Let's run a double track Chicago to New York. That's $2.75 billion.
Obviously, you're not going to build a straight line track from St. Louis to New York, they have to go through Chicago.
Oh, and the current cost for a runway capable of handling fully loaded 747's is $1 billion, each. And you're not stuck with going only where the tracks lead.
I'm a rail fan. My personal favorite train is the N&W J. And the only reason IT could haul passengers was because it was also used to haul coal and freight. From a cargo cost perspective - because when you boil it down, it doesn't matter if you're hauling coal, fresh fruit, or people, it's all just cargo to the carrier - at the volumes of passenger travel versus distance involved in the United States, rail cannot compete with air.
If you've got plenty of time - Amtrak New York to LA is $197, and takes almost 3 days, and requires switching at Chicago. So round trip takes 6 days, for $400.
Round trip tickets from La Guardia to Los Angeles, staying a week, with one transfer in Chicago, with a total flight time of 16 hours, cost $216.