from south jersey ,the best way is i 287 to outer bridge,440 across outer bridge,and follow to BQE which is I 278,take east to I 495,Long Island expressway,go to I 678,van wick exway south to JFK,this will cost 40 bucks for 5 axels in all.When you leave,I 678 north,and follow for White stone bridge,cross white stone,follow signs for George Washington bridge and I 95 south,27 dollars to get out,cheapest in and out.
on I 278 your going to see a 12.2 bridge,at varrizanos crossing,that bridge you can put a 13 7 under it,ive done it many ,many times,oh and outer bridge will be ext 10 on NJ TP