Hi,
I'm a member in New Jersey and I've usually reserved any classifications for
roads that have any numerical designation assigned to them. In New Jersey, I
designate trunk roads sparingly, and hardly ever for roads maintained by the
county (with some exceptions for longer 500-series county highways); these are
usually isolated roads or roads with more than one carriageway but do not fit
the state definition of a freeway. (The Palisades Interstate Parkway, any toll
roads, and roads that are recognised by the state as freeways - e.g. NJ 495
(this has NOT been an interstate since the 1980's; only the portion of 495 east
of Manhattan is an interstate), NJ 42, NJ 55, NJ 90, NJ 3, NJ 19, NJ 21, and NJ
24 - are granted motorway status.) Primary highways usually consist of state
highways that run parallel to a trunk road or connect one or more large
communities, most 500-series county highways, and a few county-specific
highways (which usually are in the 600-700 range). Secondary roads are almost
always either county-specific highways or state routes that are left over from
a re-routing of a major highway; tertiary designations are reserved for all
other numbered highways. Unnumbered highways, unless the governing municipality
receives monies from the county directly for their maintenance or they form a
dedicated or well-used link between designated roads, receive unclassified or
residential designations irrespective of length.
This scheme was devised primarily for New Jersey and may not apply the same way
in other states.
CrystalWalrein
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