sentences:  The present CR 1 was formed when part of CR 3 was separated from the balance of CR 3 with the 1952 establishment of CR 527 as part of the 500 Series routes.Since the CR 1 designation was available, that portion of CR 3 between CR 527 and CR 571 was re-designated as County Route 1.In addition to those listed below, the following 500-series county routes serve Monmouth County