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 closures of northbound Interstate 19 in Nogales starting Jan. 24

Drivers in Southern Arizona should plan ahead for several nighttime full closures of northbound I-19 - and the ramp to northbound I-19 from State Route 189 - beginning Sunday, Jan. 24.

Northbound I-19 between SR 189 and Grand Avenue will be closed overnight Sunday, Jan. 24, Tuesday, Jan. 26 and Wednesday, Jan. 27. Each closure is scheduled to begin at 8 p.m. and end by 6 a.m. the following morning.

  • Detour: Drivers who need to travel north toward Tucson can use the I-19 Frontage Road or Grand Avenue.

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.