Traffic Alerts - SR 189: International Border to Grand Avenue

SR189 Freeway - Ramping up for the future

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Traffic Alerts

Plan for overnight lane and ramp closures on Interstate 19 in Nogales starting June 1

Drivers in Southern Arizona should plan ahead for nighttime full closures of north- and southbound I-19, and the  I-19 on-ramp at State Route 189, beginning Tuesday, June 1. All closures are scheduled to begin at 8 p.m. and be lifted by 6 a.m. the following morning.

The Arizona Department of Transportation urges drivers to slow down and use caution around construction personnel and equipment while the following closures are in place:

  • Southbound I-19  from Grand Avenue to SR 189: June 1-3
  • Northbound I-19 from SR 189 to Grand Avenue: June 3-5
  • Northbound I-19 on-ramp at SR 189: June 3-5

Detour: Drivers can use Grand or Western avenues.

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

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.