[Talk-us] Speed Limit Validity in US Questions

[Paul Johnson]

On Fri, Jul 2, 2021 at 10:08 AM Clifford Snow <clifford at snowandsnow.us> wrote:
>
> I can't speak for other states but Washington State Law requires speed limit signs at the point of change in the speed limit.
>
> See CHAPTER 2B. REGULATORY SIGNS, BARRICADES, AND GATES [1] which states "Speed Limit (R2-1) signs, indicating speed limits for which posting is required by law, shall be located at the points of change from one speed limit to another."
>
> [1] https://mutcd.fhwa.dot.gov/pdfs/2009r1r2/part2b.pdf

Oregon gets fun, since in absence of a posted speed limit, the type of
road comes into play, with speed limits only posted if they're an
exception to what's listed here:
https://www.oregon.gov/odot/Engineering/Pages/Speed-Zones.aspx