You don't need hyperloop. Existing train technology could easily provide this. With modern signals and a good track, high speed trains can deliver good throughput with high comfort.

The problem appears to be the old tracks (speed restrictions) and old signalling system which increases delays and lowers throughput.

EDIT: To use the route here as an example. According to google maps the distance is 83 miles on road, so probably around 80 miles for a train. This can easily be done within 45 min on a train. Have a look at the German cities of Cologne and Frankfurt. There's a high speed train running and I know some people commuting there. It's not nice either but a distance of 150 miles with <1hr commute each direction. The ticket costs ~$4,500 per year which includes free rides on all trains within Germany. There are 3 stops on the way and some people only commute half the way which makes it a 20-25 min commute for the same distance of Philipsburg to NYC.