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Highline Public Schools
15675 Ambaum Blvd. SW Burien, WA 98166

Office Hours:

Monday-Friday: 7:30 a.m. - 4:30 p.m.

Pacific Middle School
22705 24th Ave South Des Moines, WA 98198

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Plan Ahead: 24th Avenue South Road Improvements & Traffic Impacts

Plan Ahead: 24th Avenue South Road Improvements & Traffic Impacts

Update for Midway, Pacific and Mount Rainier Families

You may have noticed a construction project on 24th Avenue South, near Midway, Pacific and Mount Rainier. The City of Des Moines is making road improvements that include:

  • New sidewalks 
  • Bike lanes on both sides of 24th Avenue South 
  • Two-way, left-turn lane
  • New illumination system 

The city expects to complete the project by fall 2024.

While construction is underway, we encourage drivers and pedestrians to be extra cautious when traveling through the construction area. Remember to: 

  • Obey the construction signs and flaggers for traffic safety 
  • Plan your route to allow additional time when traveling to and from school 
  • Be prepared for alternating, one-lane traffic throughout the entire construction project

Starting October 30, the first phase of the project will affect traffic on 24th Avenue South between South 223rd Street and South 224th Street. This phase is expected to take about one month to complete. You can find details about the project work zone for the first one-month phase and the proposed traffic control plans on the map below.

While vehicle and pedestrian access will continue to be maintained to the greatest extent feasible around the work zone area, we strongly recommend families consider alternate routes to avoid traffic delays in the work area. 

We expect there could be bus delays. Our Transportation department is in communication with the City of Des Moines and will work to alleviate the challenges for school buses as much as possible.

If you have questions or need additional information about the project, please contact the City of Des Moines at 206-870-6525.

It isn’t fun to experience delays and challenges to our usual commute. We appreciate the City of Des Moines making us aware of this project, so we can all plan ahead and work together. We look forward to the addition of sidewalks and bike lanes by next school year.

Thank you!


Phase 1 Work Zone Maps in English & Spanish

Map of Phase 1 Trench Work on 24th Ave S in Des Moines

This image is a map with text in English showing the location of the first phase of road work on 24th Avenue South, between South 223rd Street and South 224th Street, estimated to start October 30 and be completed by November 30. 

- Alternating one-lane, two way traffic; flagger controlled.
- Crew to clean up shoulder for traffic on the west side of 24th Avenue South during the month of trench work.
- Road to be open at the end of each work shift.
- Work hours: 7:00 a.m. - 5:00 p.m.
- Estimated trench work phase: October 30 - November 30.


Mapa basado en información del proyecto de la ciudad de Des Moines.

This image is a map with text in Spanish showing the location of the first phase of road work on 24th Avenue South, between South 223rd Street and South 224th Street, estimated to start October 30 and be completed by November 30. 

- Alternating one-lane, two way traffic; flagger controlled.
- Crew to clean up shoulder for traffic on the west side of 24th Avenue South during the month of trench work.
- Road to be open at the end of each work shift.
- Work hours: 7:00 a.m. - 5:00 p.m.
- Estimated trench work phase: October 30 - November 30.