Lane restrictions scheduled on Interstate 10 in San Simon beginning Sept. 3

The Arizona Department of Transportation advises commercial vehicles to plan ahead for lane restrictions on Interstate 10 at the San Simon Port of Entry beginning Tuesday, Sept. 3.

Contractors are scheduled to pour new asphalt and install underground sensors and scales. The work is part of a statewide truck screening improvement project.

The following restrictions will occur from 6 a.m. to 6 p.m. beginning Tuesday, Sept. 3, and ending the evening of Friday. Sept. 13:

  • I-10 will be narrowed to one lane between milepost 382 and San Simon POE (milepost 383).
  • A 12-foot vehicle-width restriction will be in place.

Learn more about the Interstate 10, Interstate 40 and State Route 95 POE Truck Screening Improvement project on the project webpage.

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.