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The original item was published from 3/9/2023 2:20:51 PM to 3/10/2023 3:39:40 PM.

News Flash

Public Works

Posted on: March 9, 2023

[ARCHIVED] Downtown Project Construction Update - March 9, 2023

Downtown Project

Phase 3 of the Downtown Project involves removing and replacing concrete sidewalks, installing ADA curb ramps, widening the median island at Lytton Square to improve the health of the existing redwood trees, widening the sidewalk on Miller Avenue, and paving Throckmorton from Corte Madera Avenue to Old Mill School and Miller from Sunnyside Avenue to Throckmorton Avenue.

Project Construction Information signs will be posted at the project limits.

Residents and Businesses will be notified two weeks in advance of any sidewalk concrete replacement in front of their business and the temporary pedestrian detour routes.

Restricted free parking signs will be posted on Throckmorton Avenue from Corte Madera Avenue to Madrona Street and Miller Ave from Sunnyside Avenue to Throckmorton Avenue, however a 2 Hour Max time limit shall still be observed.

The estimated completion is June 2023. 

What Is Happenidowntown_signsng: March 13th Through March 24th (Weather Delay Expected):

Depending on the effect of the rainstorm, Interstate Paving and Grading Inc. will work on:

  • Throckmorton Median Island at Lytton Square form and pour concrete for median curb, and asphalt plug along the new curb.
  • Northeast Corner Throckmorton and Bernard demo the existing curb ramp and sidewalk, form and pour concrete for the new ADA bulb out. 
  • Eastside of Miller Avenue at the Depot Plaza, demo and replace ADA concrete ramp. 
  • Relocate Granite Rocks from Lytton Square Median to Old Mill Park, rocks will be moved to Old Mill Park to help save the redwood trees in the median, by providing enough room to grow/accept water.

Downtown Parking and Traffic During Construction

During this work, there will be occasional lane closure and one-way traffic control with flagmen. 

Temp No Parking Signs will be posted around the construction area to allow the contractor to demo, remove, off-haul the existing sidewalks, and pour new concrete sidewalks.

No traffic detour or road closure is expected during this phase of the project.

Updates will be posted as more information becomes available. Work progression is weather dependent.

A Message fromLocal business sign - shop mill valley the Chamber of Commerce:

As the construction of the Downtown Project Continues this spring, We Keep Ramping Up Our Support for Downtown Businesses & Nonprofits – Check Out Our New Signs Reminding You to #ShopMV!  Click Here 

Thank You for Your Patience

City and Construction Management staff continue to mitigate construction impacts and are collaborating with the Mill Valley Chamber of Commerce to coordinate and notify local businesses of the planned work. The project team is available to answer questions and review concerns. 

The City of Mill Valley would like to send out a special thank you to the Mill Valley community for your patience during construction.

Contact Us:

For more information, please check out the project website at
Project updates are sent out in our Newsletter: Sign Up Here!

table_downtownThe project construction management team will be available in person at the Depot Plaza every Friday between 10 -10:30 AM to respond to any questions. (Except March 10 and pending for March 17 Due Rainstorm).

If you have any questions or comments, please contact Hank Doll - the City designated Construction Manager for the project.

Hank Doll, PE, QSD
Project Manager

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