RayL keyed: It's a general problem worldwide, but I guess the U.S.A. takes the biscuit because too few Americans are willing to use the train.
Please note the VAST distances involved in this country compared to Europe.
Amtrak-Routes.jpg
https://en.wikipedia.org/wiki/Amtrak
Within metropolitan areas commuter trains are VERY popular.
San Diego County below:
https://en.wikipedia.org/wiki/Sprinter_(light_rail)
https://en.wikipedia.org/wiki/Coaster_(commuter_rail)
USA Amtrak Service
https://www.amtrak.com/alert/nec-modified-schedule.html
Northeast Corridor (Boston – New York – Washington, DC – Virginia)
Adirondack (New York – Montreal): No service north of Albany
Amtrak Hartford Line (New Haven, CT – Springfield, MA)
Amtrak Thruway Bus routes
California Zephyr (Chicago- Emeryville, CA): No service between Reno and Denver
Capitol Corridor (San Jose – Sacramento)
Cascades (Eugene – Vancouver, B.C.): No service north of Seattle
Downeaster (Boston – Brunswick, ME)
Empire Service (New York – Niagara Falls)
Ethan Allen Express (New York – Rutland, VT): No service north of Albany
Hiawatha (Chicago – Milwaukee)
Illini/Saluki (Chicago – Carbondale)
Illinois Zephyr/Carl Sandburg Chicago – Quincy)
Lincoln Service (Chicago – St. Louis)
Maple Leaf (New York – Toronto): No service west of Niagara Falls, NY
Missouri River Runner (St. Louis – Kansas City)
Pacific Surfliner (San Luis Obispo – San Diego)
Palmetto (New York – Savannah): No service between Washington, DC – Savannah
Piedmont (Charlotte – Raleigh)
San Joaquins (Bakersfield – Oakland and Sacramento)
Valley Flyer (New Haven, CT – Greenfield, MA)
Vermonter (Washington – St. Albans): No service north of New Haven (Monday-Saturday) and no service on Sundays.
Wolverine (Chicago – Pontiac)
Note in the above list: Amtrak Thruway Bus routes
This is because the few cross-country routes are made up of relatively short rail trips interspersed with long bus routes.
Attached
Amtrak-Routes.jpg (102.1 KB)
Coaster.jpg (111.7 KB)
Sprinter.jpg (74.9 KB)