Major/minor highways in Hudson NY

Having gone through Hudson NY recently, I wonder about the designations as major and minor highways.

https://www.waze.com/editor/?zoom=3&lat=42.24901&lon=-73.78001&layers=BFTFTTTTTTFTTTTFTTTTFT

US-9 is a major highway in the north/middle parts of town, but a minor highway elsewhere. Is this a clever way to enhance user experience that I could learn from?

It is not a (mostly) limited-access road and as such should not be typed greater than a Minor Highway.

Rt 9 is on my list of things to cleanup, down south more it does the same thing with switching between major and minor along with other errors like being 2 two-way roads running parallel.

I’ll have to see if I can find a guide to help, Jeberhard linked me to some thing from the DOT that shows you the official road classifications and how to get Waze to match them

I don’t think road classification can be made utterly simple. State classifications never map perfectly to the wiki rules, and I like to give them precedence, I also like to take into account consistency along major sections, relative rank of roads around it, and local user patterns/behavior.

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