Public transportation would be the quickest to NYC. You can take the bus from Springfield which will bring you to Mid town Port Authority in NYC. You would also be able to commute by train from neighboring towns of Summit and Short Hills and Millburn . In the price range you are looking there are many lovely towns with easy commute to NYC. For more information on Springfield, visit http://www.city-data.com/city/springfield-new-jersey.html
If you would like info on Springfield and other neighboring towns along with homes that are available please email me and I will send the info to you. I cover the areas in Union, Essex and Morris Counties that are easy to commute to NYC.
Prudential New Jersey Properties
cell 973 879 3282