Interstate 19 ramp at Pima Mine Road in Sahuarita is scheduled to close April 26

The southbound Interstate 19 on-ramp from Pima Mine Road will be closed beginning 6 a.m. Wednesday, April 26, through spring 2018. The ramp was originally scheduled to close April 17 for six months but after further review by the Arizona Department of Transportation, it was determined to reschedule the closure and expand the duration for the safety of the traveling public.

During the ramp closure:

Traffic will be rerouted onto Nogales Highway.
Two lanes of traffic will remain open on southbound I-19. The shoulder will be closed in the work zone.
Pima Mine Road will remain open with minor traffic interruptions during bridge work.

The ramp closure is part of the work to replace the I-19 bridge decks over Pima Mine Road in the town of Sahuarita.The $4.5 million project, located approximately 15 miles south of Tucson and partially on the Tohono O’odham Nation’s San Xavier District, includes replacing the bridge decks on the northbound and southbound travel lanes and reconstructing roadway and bridge approaches. The work also will include widening the southbound I-19 bridge, replacing guardrail end treatments, replacing pavement markings and other miscellaneous work.

Work is scheduled for completion in April 2018.

Access to the nearby Desert Diamond Casino and ASARCO’s Mission Mine in Sahuarita will be maintained with only occasional brief delays.

View larger map

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

ADOT works to inform the public about planned highway restrictions and closures, but it’s possible that unscheduled impacts might occur because of weather or other factors. For the most current information about highway conditions statewide, visit ADOT’s Traveler Information Site at, follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.

For more information about this project, please call Paki Rico, ADOT senior community relations officer, at 520.388.4233 or email or visit the website at


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