The International Avenue Border Crossing connects the towns of

Calais, Maine Calais is a city in Washington County, Maine, United States. As of the 2020 census, it had a population of 3,079, making Calais the third least-populous city in Maine (after Hallowell and Eastport). The city has three Canada–US border cro ...

and

St. Stephen, New Brunswick St. Stephen (2016 population: 4,415) is a Canadian town in Charlotte County, New Brunswick, situated on the east bank of the St. Croix River around the intersection of New Brunswick Route 170 and the southern terminus of New Brunswick Route ...

via the

International Avenue Bridge The International Avenue Bridge is an international bridge across the St. Croix River, connecting the town of St. Stephen, New Brunswick in Canada with the town of Calais, Maine in the United States. It is the third, busiest, and newest bridge ...

on the Canada–US border. The crossing opened on November 16, 2009, and was the first new border crossing to open on the Canada–US border in 42 years. The opening of the crossing marked the first time since 1961 (when the Union Bridge was closed) that there have been three bridges connecting Calais with St. Stephen. Currently, all commercial vehicles crossing between these towns must use this crossing. *

List of Canada–United States border crossings This article includes lists of border crossings, ordered from west to east (north to south for Alaska crossings), along the Canada–United States border, International Boundary between Canada and the United States. Each port of entry (POE) in the ...

References

Canada–United States border crossings 2009 establishments in Maine 2009 establishments in New Brunswick Buildings and structures in Calais, Maine St. Stephen, New Brunswick {{Maine-geo-stub