Airway-Airport Loop Sewer Rehabilitation Project

Construction is finishing up on the Airway-Airport Loop Sewer Rehabilitation project. See below for upcoming and current activities. 

UPCOMING WORK

Location: Intersection of Baker Street and Airway Avenue

Now that new pipelines have been constructed, the street will be restored by paving the intersection.  Work is taking place on the weekend to minimize disruption. 

• When: Saturday, January 31*
• Hours: 7 a.m. – 7 p.m.*
• What to Expect:
  
  • Anticipate lane closures and restrictions through the intersection and plan to take alternate routes
  • Entrance to Lyon Air Museum will be maintained

Location: Airport Loop Drive and Airway Avenue (between Paularino Avenue and Airport Loop Drive)

Street restoration will occur by first grinding the top surface followed by paving.  Please note that the entire street will not be paved, and only sections that were disturbed during construction. 

• When: Week of February 2*.  Saturday work may occur. 
• Hours: Monday – Saturday; 7 a.m. – 7 p.m.*
• What to Expect:
  
  • K-rail will be removed the week prior to scheduled paving
  • Temporary traffic control while work is performed
  • Increase in activity and noise levels

CURRENT WORK

LOCATION:  Airway Avenue and Airport Loop Drive, Costa Mesa

• What: Crews are removing temporary shoring, filling in excavations, and installing covers on access pits located every few hundred feet apart. 
• When: Ongoing – February 2026*
• Work Hours: Monday – Friday; 7 a.m. – 4 p.m., some activities may require work outside normal working hours.
• What to Expect: 
  • At least one travel lane in each direction.
  • Increase in activity and noise levels

Two new pipelines installed on Airway Avenue.

LOCATION:  Main Street Pump Station, 1499 Main St., Irvine

• What:  Rehabilitating and constructing pipelines, pumps, and valves
• When:  Ongoing – Spring 2026*
• Work Hours:  Monday – Friday, 7 a.m. – 4 p.m.
• What to Expect:
  • Occasional reduced travel lanes on westbound Main St.
  • Increase in activity and noise levels

*All dates and times are subject to change due to operational factors or inclement weather.

Other Information

For information about a nearby project in the City of Costa Mesa, please visit Costa Mesa Sewer Rehabilitation along I-405 Project.