had a nice one tonight while in saddle brook. NYSW su99 crew was boarding when i heard a louder horn then the typical njt horn blasting. This one was fast and numerous times. Then saw the the black NS with white nose chugging hard. Believe it was a sd50/60, still in blue conrail dash 8 and UP SD70ACe. Thing was flying and it still sounded like it was picking up speed, had about 35 cars, mostly covered hoppers and wood center beams.