UPDATE: Plan for lane restrictions on east- and westbound SR 83 in Sonoita beginning Oct. 27

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The Arizona Department of Transportation advises drivers to plan for lane restrictions on State Route 83 between Black Oak Drive (milepost 31) and Lower Elgin Road (milepost 29) beginning Monday, Oct. 27, as a new pavement rehabilitation project gets underway in Sonoita.

Motorists can expect the following restrictions:

Daily lane restrictions on east- and westbound SR 83 between mileposts 31 and 29 from 7 a.m. to 4 p.m. Monday through Friday
Rolling lane restrictions as crews work through multiple sections of the project area each day
A flagging operation in the project area
A speed limit of 25 mph in the work zone

Drivers should allow extra travel time, use caution, be prepared to slow down and merge safely when approaching and traveling through all work zones.

Schedules are subject to change due to weather and other unforeseen circumstances.

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SR 83: Black Oak Drive to Lower Elgin Road Roadway Reconstruction

Contents

Overview
Key Elements
Project Area
What to Expect
Schedule
Stay Informed

Overview

The Arizona Department of Transportation began a reconstruction project in October 2025 on State Route 83 from milepost 31 (Black Oak Drive) to milepost 29 (Lower Elgin Road) in Sonoita.

Key Elements

Removing and replacing the roadway surface
Improving erosion control
Installing fog coating
Installing new signing
Replacing pavement markings and striping
Replacing guardrail
Constructing drainage upgrades
Other miscellaneous improvements

Project Area

SR 83: Black Oak Drive to Lower Elgin Road Roadway Reconstruction

What to Expect

Flaggers and temporary portable traffic devices will direct traffic through the project area during construction.
One lane of travel will be maintained during construction.
Construction is tentatively scheduled from 6 a.m. to 6 p.m. Monday through Friday.
ADOT will provide advance notice of restrictions and closures to email subscribers and on the project website.

Schedule

Construction began in October 2025 and is expected to be completed early 2026.
Schedules are subject to change due to weather and other unforeseen situations.

Stay Informed

By email: Subscribe to receive project updates and traffic alerts.
By phone: Call the ADOT Project Information Line at 855.712.8530.
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.