I-40 Broadband: AZ-CA Stateline to Flagstaff

Overview

The Arizona Department of Transportation has initiated a project to install more than 200 miles of high-speed fiber-optic infrastructure along Interstate 40 between the Arizona-California state line and Flagstaff (mileposts 0-201).

Purpose

The purpose of this project is to install high-speed fiber-optic conduit along the entire project corridor to eventually expand broadband internet access to homes and businesses in rural parts of the state.

In addition to rural broadband connectivity, ADOT plans to use the fiber-optic conduit to provide intelligent transportation system (ITS) technology, such as overhead message boards, traffic cameras, weather stations and other uses. The infrastructure will also help lay the groundwork for emerging automotive technologies, such as connected and automated vehicles.

Project Area Map

Once the fiber-optic conduit is installed, a third-party provider - known as an operate-maintain-commercialize vendor - will be responsible for leasing the fiber and other related infrastructure from the state.

Work on the 201 mile-long project includes installation of conduit, pull boxes, fiber-optic cables, node building, load center and other related work.

What to Expect

Construction will begin early 2025 and is anticipated to be completed in summer 2026. Work will occur in the ADOT right of way. During construction, drivers on I-40 can expect single-lane closures during weekdays, with no weekend or holiday restrictions anticipated.

Restrictions and Closures

Stay informed of traffic restrictions before they occur by subscribing to receive notifications sent directly to your email. It’s fast and easy! All we need is your email address.
For real-time information about project-related restrictions and closures, visit az511.gov or call 511, except while driving.

Remember to slow down and use caution around construction workers and equipment.

Stay Informed

For more information on ADOT broadband projects or future conduit and fiber leasing information, please contact the ADOT Broadband Office.

• Subscribe to receive traffic alerts and project updates directly to your email.
• Phone: Community Relations Project Manager Jason Stephens 480.751.7104.
• Teléfono: Línea de Información del Proyecto ADOT: 855.712.8530.
• Email: [email protected]