I-10: SR 90 to SR 80 Climbing Lane Extension Project

This project is complete

Overview

The Arizona Department of Transportation has completed a project on Interstate 10 west of Benson between milepost 302.95 and 303.56 in Cochise County. This project extended the climbing lane on westbound Interstate 10 between State Route 80 on-ramp and SR 90 off-ramp.

Project Fact Sheet

Project Elements

Widening westbound I-10 to extend the existing climbing lane between SR 80 on-ramp to SR 90 off-ramp
Installing a fog coat, additional lighting, pavement markings and signage
Repaving the westbound SR 80 on-ramp

Project Schedule

This project began in January 2025 and was completed in July 2025.

Project Area Map

Project Photos

I-10 lane extension highway project photo

I-10 lane extension highway project photo of highway with cars

Stay Informed

Subscribe to receive project updates and traffic alerts by email. For more information, please call the ADOT Bilingual Project Information Line at 855.712.8530 or submit a question or comment by email. For real-time highway conditions statewide, visit ADOT’s Traveler Information Site at www.az511.gov, follow ADOT on Twitter @ArizonaDOT or call 511, except while driving.