Park Gate is on the corner of Stephenville Pkwy and Park Ave so its about a long 6 block walk to the bus
There is a bus that stops at Stephenville Pkwy and Plainfield Road that takes you to Metuchen train station.
Here's a link to the schedule for Monday leaving at about 7:01 AM to get to Metuchen station at about 7:09 AM then taking the train at Metuchen at 7:19 AM to NY Penn Station arriving NY Penn at 8:02 AM. (FYI, according to the itinerary the next bus is at 8:11AM from Stephenville Pkwy.)
Most people either get dropped off at Metuchen Train station (hard to get a parking permit for Metuchen station) or get dropped off or pay to park at Metropark station.
As an agent we cannot ethically discuss demographic makeup.
I am an Edison resident since 1983 and an very knowledgable abiut the Edison area.Feel free to give me a call and we can talk about your needs in more detail, no obligation.