Central District Projects

Loop 202 (South Mountain Freeway)

Pecos Segment

32nd Lane to I-10 (Maricopa Freeway)

Construction Alerts and Notices


Night Dirt Haul for 17th Avenue Bridge - June 2017

Night Dirt Haul for 17th Avenue Bridge Begins - June 2017


Dirt embankments are needed to build bridges at interchanges along Pecos Road and as a result, the night dirt haul continues moving west to 17th Avenue. To avoid haul trucks mixing with traffic during peak travel times on Pecos Road and cross streets, the dirt will be delivered to 17th Avenue at night beginning Sunday, June 11, 2017.

What to Expect:

  • Work will last approximately 8 weeks

  • Work hours will be from 7 p,m, to 5 a.m. up to 6 days per week (actual days may vary)
  • Trucks delivering dirt on site and water trucks to control dust
  • Grading and compacting equipment on site to move and compact dirt after dumped
  • For safety, back-up alarms and jobsite lighting will be in use
  • Trucks will travel in a manner to limit the use of back-up alarms

Night Dirt Haul for 32nd Street Bridge - May 2017

Night Dirt Haul for 32nd Street Bridge Begins Early May


Dirt embankments are needed to build bridges at interchanges along Pecos Road and as a result, the night dirt haul continues moving west from 40th Street to 32nd Street. To avoid haul trucks mixing with traffic during peak travel times on Pecos Road and cross streets, the dirt will be delivered to 32nd Street at night beginning in early May.

What to Expect:

  • Work will last approximately 24 weeks

  • Work hours will be from 7 p,m, to 5 a.m. up to 6 days per week (actual days may vary)
  • Trucks delivering dirt on site and water trucks to control dust
  • Grading and compacting equipment on site to move and compact dirt after dumped
  • For safety, back-up alarms and jobsite lighting will be in use
  • Trucks will travel in a manner to limit the use of back-up alarms

32nd St Dirt Haul Construction Alert


40th Street Bridge Construction Begins - March 2017

40th Street Bridge Construction Begins March 27, 2017


The next step in constructing the 40th Street bridge is to build a dirt embankment. To avoid significant traffic back-ups on Pecos Road and 40th Street and impacts to the park-and-ride access, the dirt will be trucked to the site at night.

What to Expect:

  • Beginning Monday, March 27 and continuing for approximately 10-12 weeks.

  • Work hours: Sunday through Thursday nights - 9 p.m. to 5 a.m.
  • Trucks will travel westbound on Pecos Road and turn north on 40th Street
  • Trucks dumping dirt on site
  • Grading and compaction equipment on site to move dirt after dumped
  • For safety, back-up alarms and jobsite lighting will be in use
  • Water trucks to control dust

Interim Pecos Road Opens - April 2017

Interim Pecos Road Opens April 3rd, 2017


Interim Pecos Road Opens April 3, 2017- As announced in January, local traffic on Pecos Road will be shifted to an interim roadway during South Mountain Freeway construction. The first segment between 40th and 24th streets will open on April 3. The second segment between Desert Foothills Parkway and 17th Avenue, if necessary, will be constructed after SRP completes their utility relocation.

To create the interim roadway, the eastbound lanes of the existing Pecos Road will be widened and restriped to maintain two lanes of traffic in each direction. There will be no shoulders, the speed limit will be reduced to 40 mph and there will no longer be left turns permitted at 32nd Street. There will be ongoing daytime and nighttime lane restrictions for both eastbound and westbound lanes.


Friday, March 31, 9 P.M. to Monday, April 3, 5 A.M.

  • Pecos Road eastbound and westbound closed between 24th Street and I-10
  • Interstate 10 eastbound and westbound on-ramps closed from Pecos Road
  • Interstate 10 westbound off-ramp closed to Pecos Road
  • Loop 202 Santan Freeway westbound lanes closed at I-10 Interchange
  • Pecos Storage access will be maintained from 32nd Street

24th Street Bridge Construction - February 2017

24th Street Bridge Construction Begins


As part of the ongoing South Mountain Freeway construction project, crews have been preparing for the future 24th Street overpass. This work includes recent grading, and crews will start drilling 8 holes (west of 24th Street) north of existing Pecos Road. Once the holes are drilled, a rebar cage will be installed. This cage will extend approximately 20 feet above ground and will ultimately become a bridge column once concrete is poured.
What to expect:

  • Construction scheduled to begin the week of February 6 (dates subject to change)
  • Approximately 6-8 days to complete the drilling
  • Large drilling equipment on-site
  • Work hours: 7 a.m. to 7 p.m.
  • Sidewalks and bike lanes on 24th Street closed through the construction zone
  • No traffic lane restrictions

24th-St-Drill-Shafts
View larger

17th Avenue Bridge Construction - January 2017

17th Avenue Bridge Construction

The South Mountain Freeway construction team will drill 16 holes (8 on each side of 17th Avenue), north of existing Pecos Road. Once the holes are drilled, a rebar cage will be installed. The cage will extend approximately 20 feet above the ground and will ultimately become a bridge column.
What to expect:

  • Construction scheduled to begin the week of January 30 - dates subject to change
  • Approximately 8-10 days to complete
  • Large drilling equipment on-site
  • Work hours: 7 a.m. to 7 p.m.
  • Sidewalks and bike lanes on 17th Avenue closed through the construction zone
  • No traffic lane restrictions

17th Avenue Bridge Construction Begins
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Residents, business owners, schools and homeowner’s associations who may be directly impacted by construction will receive additional notices.

To receive advance notice of upcoming traffic restrictions, sign-up for weekly traffic alerts.

Early-to Mid 2017 Construction Schedule


This is the anticipated construction schedule for the Pecos Segment from 32nd Lane to I-10 (Maricopa). Residents will see the following major construction activities starting in early to mid-2017.

Pecos Segment Schedule Table-lg
Segment Activities: 
  • Construct HOV lanes in the I-10 interchange
  • Relocate power lines to the south side of Pecos Road near Desert Foothills Parkway
  • Relocate water lines on Liberty Lane and 32nd Street
  • Construct bridge foundations at 40th Street, 32nd Street, 24th Street, Desert Foothills Parkway and 17th Street
  • Construct box culverts throughout the segment
  • Construct the mainline freeway from 48th Street toward 32nd Lane
Segment Maps
Civil RightsTitle VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA)

Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at civilrightsoffice@azdot.gov. Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el título VI de la Ley de Derechos Civiles de 1964 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad.  Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles en civilrightsoffice@azdot.gov. Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.