[Talk-us] United States Roadway Classification Guidelines

[Nathan Edgars II]

On Thu, Jul 29, 2010 at 11:04 AM, Jim McAndrew <jim at loc8.us> wrote:
> I-99 is a special case where a congressman wanted a road to go from the PA
> turnpike to I-80, he threw a bunch of money at it, and made up a new number
> to assign to it.  The road never really was meant to be an interstate, and I
> think the state reluctantly accepted it being called an interstate only
> after the I-99 signs were put up.  It doesn't follow interstate conventions
> or anything.  It is a limited access highway though, and the speed limit is
> 65 the whole way.  As a driver on the road, I wouldn't notice a difference
> between it and I-80.

Not quite - it's an Appalachian Regional Commission corridor, so were
it not for Mr. Shuster it might have at-grade intersections, but it
would still be a high-speed four-lane road.