It is assigned by the manufacturer. You can find the GVWR on the VIN plate on the door or door frame of most power vehicles, and on the VIN plate on most trailers. If you add the GVWR from the Truck and trailer and it is more than 10,000 pounds, it's a commercial vehicle. For example, a Ford F150 has a GVWR around 7000 pounds by itself. A tandem axle flat bed trailer usually has a GVWR of 7000 pounds.
NJ Transit trains travel at different speeds depending on the line, express or non-express, and weather conditions. ! The NJ Transit train travels over 90 miles an hour. Just like the speed of lightening !
One hundred years later, the city's reliance on its underground rapid transit system is greater than ever. NYC Transit keeps New York moving 24 hours a day, seven days a week, as its subways speed through underground tunnels and elevated structures in the boroughs of Manhattan, Brooklyn, Queens, and the Bronx. On Staten Island, the MTA Staten Island Railway links 22 communities.