SR 189

Governor Ducey at State Route 189 groundbreaking
On March 4, Governor Doug Ducey and others gathered in Nogales to break ground for a project improving State Route 189, the 3...
SR 189 flyover ramp rendering
Connecting the Mariposa Port of Entry with I-19 in Nogales, State Route 189 is about to get an upgrade that will ease congestion, aid commercial travel and support Arizona's economy.
Funding all planned improvements along SR 189 in Nogales and creating a safety training program for trucking firms in Mexico both are aimed at boosting international trade and Arizona's economy.
Public Hearing
ADOT is looking to improve SR 189 (Mariposa Road) so it can handle increased traffic from the Mariposa Port of Entry.


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