All buses coming from NYC stop at the old Acme parking lot (Plank Rd & Plaza Center Rd) but continue up to get back on Rt. 3 West. That leaves about a 1/4 mile walk. Certain buses continue down and turn around at the foot of the Plk. Rd. by the apartment complex.
But I have no idea which routes or times go that far north. Here's all the bus schedules..
Bus Routes Serving Secaucus, NJ
No idea which line serviced the north end or if it still continues to do so. I'd try giving the Town Clerk's office as call at 201-330-2016. They might know. Be aware that it onlt went up to the north end certain times of the morning and evening.