"Governing" the Silverliner Six MU cars to 80 MPH will be the equivalent of how NJT modified the Arrow MU cars...
Both NJDOT Arrow MU car types as built were capable of 100 MPH originally...
MACTRAXX
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Given 2/3 "reimagining regional rail" concepts featured some degree of express service, and taking into account the track and signaling improvements Amtrak is conducting on the Keystone Corridor, this is coming off like a setup backwards. As it stands, at least 90mph can be reliably sustained between stations on the Trenton, Wilmington, and Paoli/Thorndale between Malvern and Exton. Not to mention the easily hit 100mph stretches of the Trenton and Newark lines.
Speaking anecdotally, I've found the acceleration on the silverliner v's to be far stronger than that of LIRR, Metro North, or Metra Electric equipment limited to 80mph. And this is disregarding the silverliner iv beating pull the ACS-64's have with a 5 car set.
TLDR: why did they even mention the 80mph vmax/does better acceleration really necessitate lower vmax?
Thanks y'all,
Frequent Wayne to NYC commuter that dreams of an all day limited-stop train to Trenton.