[Talk-us] US Trunk road tagging

[Zeke Farwell]

On Thu, May 6, 2021, 3:25 PM Minh Nguyen <minh at nguyen.cincinnati.oh.us>
wrote:

>
> In traffic engineering jargon, "freeway" refers to a controlled-access
> divided highway, while "expressway" refers to a limited-access divided
> highway or sometimes a controlled-access undivided highway ("super
> two").
>

Minh, can you further explain the distinction between "limited-access" and
"controlled-access"?  To me these terms seem synonymous.
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