![](https://infrastructureusa.org/wp-content/uploads/2015/10/mariposa-az-building-a-pedestria-300x300.jpg)
In an effort to enhance safety at one of the busiest ports of entry in the nation, ADOT is building a new pedestrian underpass on SR 189 (Mariposa Road) that will allow pedestrians to safely travel to and from the Mariposa Port of Entry in Nogales.
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