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Public Works

Posted on: May 4, 2023

Downtown Project Construction Update - May 4, 2023

Downtown Project


Throckmorton Ave and Miller Ave Monday, 5/4 to Wednesday, 5/10 - 7 AM – 4 PM (no work on the weekend).
To keep workers and the public safe, we highly recommend avoiding driving through the paving operations and enjoying walking to the downtown business on the new sidewalks. 

Work Completed: 

  • Miller Ave. Equator Coffee to Urban Remedy.
    1. Relocated streetlights and parking meters.
    2. Regraded subgrade, install trench drain.
    3. Install a new curb ramp for the crosswalk at D’Angelo.   
    4. Completed sidewalk from Equator Coffee to Sunnyside Lane
  • Throckmorton, and Miller Paving
    1. Lowered existing utilities cover in preparation for the paving operation.
    2. Ground up existing pavement.

      New sidewalk to Sunnyside Ave New curb ramp for crosswalk at DAngelos

Upcoming Work: 

 What Is Happening: May 4th Through May 18th 

Interstate Paving and Grading Inc. will work on: 

  • Throckmorton, and Miller Paving
    1. Complete paving operation 
    2. Raise existing utilities cover to the new pavement grade
    3. Layout the new striping 
  • Depot Plaza
    1. Regrade and place decompose granite for the plaza expansion at Sunnyside.
  • Lytton Square 
    1. Place decomposed granite and relocate granite rocks 
    2. Relocate the flagpole to the west side end of the Lytton Square median. 
    3. Relocate some of the granite rocks from the Lytton Square median to Old Mill Park.

Downtown Parking and Traffic During Construction

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. 

Depending on the construction impacts on parking, free parking signs will be posted at some locations on Throckmorton Avenue and on Miller Ave. 2 Hour Max time limit shall still be observed.
There will be occasions for traffic detour, lane closure, and one-way traffic control with flagmen.

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 team will be available with a representatiave at the Depot Plaza every Friday between 10 -10:30 AM throughout the project to address questions.

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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