New Jersey Roads - Mercer CR 640/old NJ 31
Mercer CR 640, former NJ 31
NB leaving Pennington Circle.
South of town, CR 640 bears right on old NJ 31 while CR 632 bears left toward CR 546 and Lawrenceville.
Main St. SB at Ingleside Ave., and EB at the same point.
CR 640 briefly sprouts a residential frontage road on the east side, and this old sign is SB on that frontage.
Another blocky Mercer County arrow, NB in the center of town at CR 624 (Delaware Ave.).
Modern NJ 31
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