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A freeway entrance, also known (at least in the US) as an onramp, is the road that provides a transition from surface street to superhighway. Freeway entrances tend to be one-lane, one-way roads, and often take a circular, gently banked path as they deposit vehicles into a whizzing blur of traffic.

In front of the entrance to Highway 29 eastbound from Calhoun Street in Trenton, NJ, there is a sign, which reads:


You just have to wonder about the precedents which forced that last item to be added to the list, back in the 50's and 60's when these highways were constructed... New Jersey isn't that close to the Amish communities of southern Pennsylvania...

Incidentally, do Mounties in Canada get to use the highways while on horseback?