The Maine Turnpike Authority opened the redesigned I-95 Exit 80 interchange in Lewiston. The new Single Point Urban Interchange (SPUI) will dramatically improve travel to and from the Turnpike via Alfred Plourde Parkway.
The new SPUI (pronounced “spooey”) realigns the four on-and-off-ramps and two intersections into one, single intersection where traffic is controlled by a single set of traffic signals. Its unique feature is an inverted left turn lane, which allows left turns to be made simultaneously under the Turnpike bridge in a considerably smaller space than other interchange designs.
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