This is an Arizona Department of Transportation project.

Motorists on I-10 and Cortaro Road in Marana should expect overnight ramp and road closures for guardrail work Thursday, June 23.

The eastbound I-10 exit ramp to Cortaro Road and eastbound Cortaro Road at I-10 will be closed from 8 p.m. to 5 a.m. the following morning.

All traffic on eastbound Cortaro Road will be directed to the eastbound frontage road toward Ina Road.

Westbound Cortaro Road will not be affected.

Traffic traveling the eastbound frontage road from Twin Peaks Road must turn right onto westbound Cortaro Road.

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

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 toazdot.gov/contact and select Projects from the drop-down menu. For real-time highway conditions statewide, visit ADOT's Traveler Information Site at www.az511.gov, Need to know where a milepost is? Click on the "Mile Markers" icon on the map at www.az511.com. Follow ADOT on Twitter (@ArizonaDOT) or call 511, except while driving.