>>1571666non-train brainlets please don't say anything if you're just going to be wrong.
He helped forward this bill:
https://en.wikipedia.org/wiki/Railroad_Rehabilitation_and_Improvement_FinancingWhich lead to Amtrak ordering new locos including all of the ACS-64's.
Joe also lead the effort to replace all of the first gen acela's with:
https://www.washingtonpost.com/news/dr-gridlock/wp/2016/08/26/biden-announces-upgrades-for-amtraks-northeast-corridor/Those upgrades also helped upgrade the NEC between Trenton and New Brunswick for 165mph operation too.