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Expect lane restrictions along SR 377 between Holbrook and Heber-Overgaard as improvement project begins April 1

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The Arizona Department of Transportation advises drivers to prepare for lane restrictions along State Route 377 between Holbrook and Heber-Overgaard as a new shoulder widening project starts on Wednesday, April 1.

Drivers should expect the following restrictions from 6 a.m. to 4 p.m. weekdays:

  • SR 377 will be reduced to one lane only in 2-mile segments with alternating north- and southbound travel between mileposts 8-13.
  • Vehicles will be directed through the work zone by flaggers and a pilot car. 
  • A 12-foot vehicle-width restriction will be in place.
  • Drivers need to be prepared to make frequent stops when approaching and driving through the work zone and use caution around construction personnel and equipment while the restrictions are in place. 
  • Drivers can also use State Routes 77 and 277 as a detour.
  • No work is scheduled on weekends or state holidays.

The project is anticipated to be completed by the fall.

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SR 377 MP 8 - Phoenix Park Wash Shoulder Widening

SR 377 MP 8 - Phoenix Park Wash Shoulder Widening

Contents

  1. Overview
  2. Project Elements
  3. What to Expect During Construction
  4. Project Area Map
  5. Stay Informed

Overview

Project Cost: $8.4 million

The Arizona Department of Transportation has initiated a shoulder-widening project along State Route 377 between Heber-Overgaard and Holbrook. The 5-mile-long project begins at milepost 8, about 13 miles north of Heber-Overgaard, and ends at milepost 13.

Construction is expected to begin in spring 2026 and be completed by the fall.

Project Elements

The purpose of this project is to add 5-foot shoulders along the highway as well as rumble strips to improve safety. The work will also include a fog seal pavement treatment of the road surface along with new signs and pavement markings.

What to Expect During Construction

  • SR 377 will be reduced to one lane of alternating north- and southbound traffic between mileposts 8 and 13 weekdays during daylight hours.
  • Flaggers will move drivers through the work zone. Drivers should expect delays of up to 20 minutes.  
  • Drivers can also detour around the project by using State Routes 77 and 277.
  • Restrictions will be lifted each day after 6 p.m. and on weekends.

Project Area Map

Map of SR 377 at Phoenix Park Wash shoulder widening project area on State Route 377 in northern Arizona.

ADOT will post information about traffic restrictions as it becomes available. To receive traffic alerts and other updates by email, please subscribe here.

You can also stay informed of real-time, project-related traffic restrictions by visiting az511.gov or call 511, except while driving.

Schedules are subject to change because of weather or other unforeseen factors. Remember to slow down and use caution around construction workers and equipment. 

Stay Informed

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  • Email/phone: Contact Ryan Harding at [email protected] or 602.550.8397
  • Línea Bilingüe de Información del Proyecto ADOT: 855.712.8530
  • Mail: Ryan Harding, ADOT Community Relations, 1655 W. Jackson St., MD 126F, Phoenix, AZ 85007.

Contents

  1. Overview
  2. Project Elements
  3. What to Expect During Construction
  4. Project Area Map
  5. Stay Informed