I just noticed that the East Coast Greenway has this route for the entry to Newark:
https://maps.google.com/maps?f=q&hl=...NJ.kml&ie=UTF8
Notice that it takes you on the south side of the Kearny-to-Newark bridge onto Doremus Ave., rather than on the north side, as we have been discussing here.
But, more significantly, it says that there is a sidewalk route from Doremus to the start of Raymond Blvd., amidst all the entry and exit ramps of the Turnpike and 1/9.
Has anyone ever tried this?