Believe back in the Gateway thread,Amtrak with the Port Authorty are the leads on the tunnel project,keeping both states(NY+NJ)
in the loop,by now the Amtrak "tunnel box" is heading toward completion.
The failure of the event recorder on that ill fated train's loco will be brought up by FRA and NTSB investgations,caused by the cost cutting
that NJT was forced to do after funds were diverted away by Gov Christie.
All this while bringing on new equipment and services(ALDP 45's and MLII fleet)and recovering from Sandy's storm damage,
has streached the remaining funding way too thin.
At one time in the recent past,NJT along with MN and LIRR were looked to as the leading commuter transit operations,
all have had their own problems,MN and LIRR are recovering and getting better,NJT is still "falling down" ,not yet hitting the bottom
for now.
The former PRR,now Amtrak's tunnels are "OVERLOADED",as is NY Penn station,hopefully the ARC tunnel headings can be reused
for the Gateway project, the other major nightmare is Portal Bridge.
Both had some damage from Sandy,but due to the heavy traffic levels,only spot repairs can be done,
sooner or later,1 of the tunnels that needs major repairs will force a shut down.
The Land of Enchantment is not Flyover country!