They did spend $40 billion of the $900 billion on infrastructure, they just forgot where the other money went.
DK
One of those so called shovel ready jobs.
Either way, going 106 into a 50 mph rule book curve spells disaster. The rule book for an operating division gives the speed restriction for each stretch of track according to mile marker. The engineer has to be qualified for each operating division. That is the way every major railroad operates, including freight.