It was 2012 when she was finally brought back online. But her tube time started earlier than that during her restoration, so the clock started earlier.
Both! The line from Lambertville to Flemington was PRR trackage. In Flemington, the line curves onto the CNJ to Three Bridges. The first shots at the bank/station are CNJ, as well as Turntable Junction (CNJ as well). The rest is PRR.