Category Archives: Arizona Department of Transportation

Overnight lane restrictions on State Route 89A (Milton Road) in Flagstaff July 31-Aug. 5

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FLAGSTAFF – The Arizona Department of Transportation is advising motorists to plan for overnight lane restrictions on State Route 89A (known locally as Milton Road) in Flagstaff during the final stages of work on a pavement rehabilitation project.

Drivers should slow down, proceed through the work zones with caution and watch for construction personnel and equipment while the following restrictions are in place daily from 7 p.m. to 7 a.m. starting Sunday night, July 31, and ending Friday morning, Aug. 5:

  • Portions of north- and southbound SR 89A will be narrowed intermittently to one lane in each direction between Forest Meadows Street and Phoenix Avenue.
  • A vehicle width limit of 16 feet will be in place.
  • The speed limit will be reduced to 25 mph.


The restrictions are needed as crews continue working on sidewalks, driveways and curb ramps. Crews have completed the most significant work on the project, which was to remove the existing pavement and replace it with new asphalt. For more information, visit the project web page.

Plan for overnight lane restrictions on State Route 89A (Milton Road) in Flagstaff July 10-15

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The Arizona Department of Transportation is advising motorists to plan for overnight lane restrictions on State Route 89A (known locally as Milton Road) in Flagstaff during the final stages of work on a pavement rehabilitation project.

Drivers should slow down, proceed through the work zones with caution and watch for construction personnel and equipment while the following restrictions are in place daily from 7 p.m. to 7 a.m. starting Sunday night, July 10, and ending Friday morning, July 15:

  • Portions of north- and southbound SR 89A will be narrowed intermittently to one lane in each direction between Forest Meadows Street and Phoenix Avenue.
  • A vehicle width limit of 16 feet will be in place.
  • The speed limit will be reduced to 25 mph.

The restrictions are needed as crews continue working on sidewalks, driveways and curb ramps. Crews have completed the most significant work on the project, which was to remove the existing pavement and replace it with new asphalt. For more information, visit the project web page.

Virtual public meeting slated for ADOT Electric Vehicle Plan

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PHOENIX – The Arizona Department of Transportation has scheduled a virtual public meeting on Thursday, July 14, to provide information and gather input about the ADOT Electric Vehicle (EV) Plan currently being prepared. The event is scheduled from 6 to 7:30 p.m. and can be accessed online or by phone.

The EV plan is being developed in response to funding made available through the recently-approved federal Infrastructure Investment and Jobs Act (IIJA) to deploy publicly accessible electric vehicle (EV) chargers along alternative fuel corridors. In Arizona, those routes are currently identified as the state’s interstate highways and, if approved, $76 million would be available to begin implementing this project.

To participate:

  • 6 to 7:30 p.m. Thursday, July 14.
  • Online: https://us06web.zoom.us/j/85853613254
  • By phone: +1 669 900 6833
  • Webinar ID: 858 5361 3254
  • For those unable to attend, the meeting will be recorded and posted to the ADOT Electric Vehicle Plan website.
  • There is also a survey to help guide the development of the statewide plan.

English: https://www.surveymonkey.com/r/AZEVPlan

Spanish: https://www.surveymonkey.com/r/AZEVPlanEspanol

For more information: azdot.gov/evplan

Plan for lane restrictions on Interstate 40 at the West Flagstaff Bridge July 8

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FLAGSTAFF – Plan for lane restrictions on Interstate 40 at the West Flagstaff Bridge July 8
Drivers should use caution and allow extra travel time

Drivers in northern Arizona should plan for lane restrictions and travel delays on Interstate 40 while construction on the West Flagstaff Bridge replacement project (Exit 191) nears completion.

The following restrictions will occur from 6 a.m. to 7 p.m. Friday, July 8:

  • East- and westbound I-40 will be reduced to one lane in each direction.
  • The speed limit will be reduced to 55 mph.
  • A 16-foot vehicle width restriction will be in place.

The restrictions are needed for crews to install rumble strips on the recently paved asphalt on the West Flagstaff Bridge Replacement project over Business 40, which connects the interstate to Historic Route 66 in west Flagstaff.

The project, which is about 3 miles west of the junction with Interstate 17, is anticipated to be completed by fall 2022. Learn more on the project web page: azdot.gov/I40WestFlagstaffBridge

Plan for alternating east- and westbound Interstate 40 ramp closures at A-1 Mountain Road (Exit 190) in Flagstaff June 20 – 21

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The Arizona Department of Transportation advises drivers to plan for the following alternating east- and westbound Interstate 40 intermittent ramp closures at the A-1 Mountain Road interchange (exit 190) from 6 a.m. through 5 p.m. on Monday, June 20, and Tuesday, June 21, while crews complete final striping work:

Eastbound I-40 on- and off-ramps closure at A-1 Mountain Road (exit 190):

Detour to A-1 Mountain Road: Eastbound I-40 traffic accessing A-1 Mountain Road will be detoured to Exit 191 to turn around and travel west to access A-1 Mountain Road.
Detour from A-1 Mountain Road: Drivers on A-1 Mountain Road who want to travel eastbound on I-40 will first travel west on I-40 to Hughes Avenue (Exit 185- Bellemont) to turn around and proceed eastbound on I-40.

Westbound I-40 on- and off-ramps at A-1 Mountain Road (exit 190):

Detour to A-1 Mountain Road: Westbound I-40 drivers accessing A-1 Mountain Road will be detoured to Hughes Avenue (Exit 185-Bellemont) to turn around and travel east on I-40 to access A-1 Mountain Road.
Detour from A-1 Mountain Road: Drivers on A-1 Mountain Road who want to travel westbound on I-40 will first travel east on I-40 and then take Route 66-Exit 191 to turn around and proceed westbound on I-40.

Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

The bridge replacement project is approximately 5 miles west of the junction with Interstate 17 in Flagstaff. For more information, visit https://azdot.gov/i40-A1-Mountain

Plan for Interstate 40 on-ramp closure near Flagstaff May 25

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The Arizona Department of Transportation is advising motorists to plan for closure of the on-ramp to westbound Interstate 40 from Business 40 (Route 66) on Wednesday, May 25, as crews perform pavement repairs.

Drivers should be prepared to use Flagstaff Ranch Road to access westbound I-40 during the on-ramp closure from 6 a.m. to 5 p.m. Flaggers will assist with traffic control.

Plan for lane restrictions on SR 89A between Sedona and Flagstaff May 10-12

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The Arizona Department of Transportation is advising motorists to plan for daytime lane restrictions on State Route 89A between Sedona and Flagstaff starting Tuesday, May 10, as crews perform guardrail repairs north of Grasshopper Point.

The following restrictions are in place from 7 a.m. to 3 p.m. Tuesday, May 10, through Thursday, May 12:

  • SR 89A will be restricted to one lane only with alternating north- and southbound travel at various locations between mileposts 376 and 384.
    Flaggers will assist drivers through the work zone.
  • A 14-foot vehicle width limit will be in place.
  • Drivers should be prepared to stop, proceed with caution and watch for maintenance personnel and equipment.

As a reminder, portions of SR 89A in Oak Creek Canyon are currently reduced to one lane only with alternating north- and southbound travel between Pumphouse Wash Bridge and Oak Creek Vista (roughly between mileposts 387 and 390) as part of the SR 89A Oak Creek Canyon Improvements project that is underway.

Intermittent closures of State Route 89A near Pumphouse Wash bridge May 2

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The Arizona Department of Transportation is advising drivers, area residents and businesses that a 3-mile section of State Route 89A in Oak Creek Canyon will be intermittently closed overnight on Monday, May 2.

SR 89A will be closed intermittently to traffic through the switchback portion of the roadway between the Pumphouse Wash Bridge and Oak Creek Vista (approximately between mileposts 387 – 390).

The 15-minute, non-consecutive full closures will occur twice per hour from 9 p.m. Monday, May 2 to 6 a.m. Tuesday, May 3.

Drivers should be prepared to stop and use caution around construction personnel and equipment while the overnight closures are in place.

The restrictions are needed so crews can place traffic-control barriers on the roadway for the SR 89A Oak Creek Canyon Improvements project, which includes rockfall mitigation, erosion control and a bridge rehabilitation.

Please visit azdot.gov/SR89A for additional project information

Plan for 40-day closure of A-1 Mountain Road Bridge over Interstate 40 in Flagstaff scheduled for May 2 – June 10

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The Arizona Department of Transportation advises drivers to plan for an extended closure of the A-1 Mountain Road Bridge over Interstate 40 (exit 190) from midnight Monday, May 2, to 11 p.m. Friday, June 10, as work continues on the bridge replacement project.

  • DETOUR TO A-1 MOUNTAIN ROAD: Drivers traveling eastbound on I-40 traffic will take Exit 191 to turn around and travel westbound on I-40 to access A-1 Mountain Road.
  • DETOUR TO EASTBOUND I-40: Drivers on A-1 Mountain Road will first travel west on I-40 and exit Hughes Avenue (Exit 185- Bellemont) to turn around and proceed eastbound on I-40.

Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

For more information, visit https://azdot.gov/i40-A1-Mountain

Daytime lane restrictions on Interstate 40 at A-1 Mountain Road (Exit 191) in Flagstaff April 25 – 29

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The Arizona Department of Transportation advises drivers to plan for lane restrictions on east- and westbound I-40 at A-1 Mountain Road (Exit 191) in Flagstaff.

The following restrictions will occur weekdays from 6 a.m. to 5 p.m., Monday, April 25, through Friday, April 29:

  • I-40 will be narrowed to one lane in each direction at A-1 Mountain Road (Exit 191).
  • The speed will be reduced to 55 mph through the work zone.
  • A 16-foot vehicle width restriction will be in place.

The restrictions are needed for crews to deliver materials for the bridge replacement work scheduled for later this spring.

Drivers should proceed through the work zone with caution, slow down and watch for construction personnel and equipment.

The bridge replacement project is approximately 5 miles west of the junction with Interstate 17 in Flagstaff. For more information, visit azdot.gov/i40-A1-Mountain.
I-40 A-1 Mt.