Traffic Alerts - SR 189: International Border to Grand Avenue

Traffic Alerts - SR 189: International Border to Grand Avenue

SR189 Freeway - Ramping up for the future

New flyover ramps open for travel as work continues on SR 189

Work continues on State Route 189 to complete the SR 189: international border to Grand Avenue project in Nogales. 

The new flyover ramps that connect SR 189 to Interstate 19 in both north and south directions open to traffic for the first time.

Work will continue through March to complete the project whose purpose is to improve traffic flow and safety.

Motorists should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

Work is occurring in conjunction with the SR 189 improvement project between the international border and Grand Avenue in Nogales.

Traffic alert Fact sheet icon image

Schedules are subject to change based on weather and other unforeseen factors.  For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or go to and select Projects from the drop-down menu.  For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter @ArizonaDOT, or call 511 except while driving.