NJ 173 is an east/west route running next to the Phillipsburg-Newark Expressway (I-78/US 22) from Stewartsville to Clinton. It follows the old alignment of US 22 in the area where it is now routed along I-78. The entire length is a two-lane undivided road, mostly through rural surroundings.
Copyright © 2003-2020 by David Golub. All rights reserved. The author would like to thank William Roll for contributing photographs and LC for contributing documents to this web site. You may not reproduce any text or photographs on this web site without express permission from the author. Hotlinking of images from this site is strictly prohibited. Route symbols based on graphics from Central PA/MD Roads and Wikipedia.