County routes in New Jersey
In the U.S. state of New Jersey, county routes exist in all 21 counties. They are typically the fourth type of roadway classified below the Interstate Highway, the U.S. Route numbered highway and the state highway. The County Route system is defined by two types in New Jersey. First, 500 Series County Routes, also called state secondary routes, are county highways numbered in a statewide system with three-digit numbers that begin with 5. These roads form a second network of routes that supplement the facilitation of the State Routes. Each 500 Series route is unique and is not permitted to be duplicated in another county for a separate route. The second category is defined as Non-500 Series County Routes. Non-500 Series County Routes include 1-digit, 2-digit, 600 Series, 700 Series and 800 Series. These, by definition, are discontinuous across county borders and must be contained entirely within that county. Unlike 500 Series County routes, these route numbers are unique to each county, and are typically assigned to more local routes than the statewide 500-series county route system. They are typically of a lesser classification of streets like minor arterials or collector roadways rather than major arterials or thoroughfares. In the counties that use 600-series numbers, the selection of this range was coordinated within the state, gradually replacing older systems of mainly one- and two-digit routes.
A standard pentagonal county route shield
An example of a route beginning with 7 in Camden County, marked with an older square shield design
A sign for Middlesex County's pre-600-series numbering
A county highway is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can be determined by each county alone, by mutual agreement among counties, or by a statewide pattern.
Intersection of CR-442 and CR-1057 in Douglas County, Kansas, between Lawrence and Eudora
Another standard style of county highway marker from Schoolcraft County, Michigan, used in some U.S. states
Typical signage used on a county highway in Iowa, as seen along CR W66 in Louisa County, Iowa, south of Cotter
A township road marker imposed on a street name sign blade in Wilmot Township, Waterloo Region, Ontario. The marker is for Wilmot Township Road 16.