Plan for daytime lane restrictions on north- and southbound I-19 near Green Valley Sep. 3-12

Learn more

The Arizona Department of Transportation advises drivers to plan for daytime lane restrictions on north- and southbound Interstate 19 near Green Valley weekdays from 5 a.m. to 5 p.m. beginning Wednesday, Sept. 3, through Friday, Sept.12, as work begins on the I-19 Canoa Ranch Rest Area sensor upgrade project.

Drivers should plan for delays, obey posted speed limits and traffic control devices and use caution while the following restrictions are in place:

North- and southbound I-19 will be narrowed to one lane between Canoa Ranch Drive (kilometer 57) and Arivaca Road (kilometer 48).
Law enforcement officers will be on site to direct traffic through the project area.
The speed limit will be reduced to 55 mph.

Show less

I-19 Canoa Ranch Rest Area Sensor Upgrade

Contents

Overview
Project Fact Sheet
Project Elements
Project Area
What to expect
Schedule
Project Photos
Stay Informed

Overview

The Arizona Department of Transportation began a project in September 2025 on north- and southbound Interstate 19 near the Canoa Ranch rest areas to install weigh-in-motion systems to replace the existing system controllers.

Project Fact Sheet

Project Elements

Installing weigh-in-motion sensors with Automated Tire Pressure Screening (ATPS)
Replacing the existing weigh-in-motion system controllers
Installing loop sensors and connecting the new loops to the existing cabinet
Installing a sensor plate next to the existing loops

Project Area

I-19 Canoa Rest Area Project Map

What to expect

Traffic control devices are in place to guide motorists through the construction area.
Construction work is scheduled from 5 a.m. to 5 p.m. Monday through Friday.
Motorists can expect temporary delays as traffic is redirected through a single travel lane.
ADOT will provide advance notice of restrictions and closures to email subscribers.

Schedule

Construction on this project began September of 2025 and is projected to be completed in October 2025. Schedules are subject to change because of weather and other unforeseen circumstances.

Project Photos

I-19 Canoa Ranch Rest Area Sign

I-19 Canoa Ranch Rest Area Sign

Stay Informed

By email: Subscribe to receive project updates and traffic alerts.
By phone: Call the ADOT Project Information Line at855.712.8530.
Online: Submit a question or comment via email to Dulce Maria Rojo at [email protected]
For real-time highway conditions statewide, follow ADOT on Twitter (@ArizonaDOT), visit az511.gov or call 511, except while driving.