We've been saying it for years: Amtrak service will remain disappointing until it receives the necessary funding.
That seems so obvious it hardly needs defending, but just in case you still need convincing, here's a news item that makes the same case:
Back in 2013, Amtrak received a $466 million federal loan to build 70 new, technologically advanced locomotives to replace the rickety machines on the tracks of its most heavily traveled line, the Northeast Corridor service between Washington, DC, and Boston, as well as the Keystone line between Philadelphia and Harrisburg, Pennsylvania.
The last of the new locomotives is being rolled out this month, but already they've contributed, lo and behold, to a 25% reduction in engine-related delays, according to statistics provided by Amtrak.
So there you have it: investment in trains = better train service. QED.