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Third Street Improvement project – 5/13/22 weekly update

Posted on May 13, 2022

05.11.22 Photo 3 - Third Street Improvements Project

The City of San Rafael will be sending out weekly project updates with construction updates, traffic closure updates, and other relevant information for this project. To receive these updates, please sign up using the form at the left-hand side of the project website.


    • Starting Friday, May 20, traffic lanes on Second Street between E Street and Miramar Avenue will be shifted north
  • NIGHTWORK to resume on May 31

Motorists are advised to drive with caution and follow all posted directional signals.

For more information on the upcoming lane shifts and nightwork, please read the update below:

THIS WEEK (May 9 – May 13):

  • Marin Municipal Water District (MMWD) waterline service connections installed at Cijos Street from A Street to E Street
  • Completed waterline main tie-ins at Third Street & B Street, Third Street & D Street, and Third Street & E Street
  • Nightwork was performed on Monday, May 9 and Tuesday, May 10 on Third Street between C Street and E Street, to avoid disrupting the several medical facilities in the area
  • Continued potholing to locate existing underground utilities at all the intersections for Second Street and Fourth Street, in addition to B Street in preparation for horizontal directional drilling for the new fiber optic cable to serve the San Rafael Community Center located on B Street
  • Potholing for locating existing utilities and performed CCTV inspections on Ida Street, G Street, and Second Street between Ida Street and Marquard Avenue for the San Rafael Sanitation District

NEXT WEEK (May 16 – May 20):

  • Installation of conduit by horizontal directional drilling at the intersection of Second Street & Fourth Street, and on B Street from Second Street to the San Rafael Community Center
    • This work will require removing some sections of the sidewalk to excavate boring pits
    • Safe pedestrian passage will be maintained around the boring pits
  • Continued potholing to locate existing utilities on Third Street between Lootens Place and A Street in preparation for horizontal directional drilling for the new fiber optic cables
  • Installation of new water service connections for residences and businesses on Third Street at A Street & B Street, and from Lincoln Avenue to Lindaro Street
  • New waterline main tie-ins will be performed at the intersections of Third Street & A Street and Third Street & C Street
  • Sanitary sewer rehabilitation:
    • Installation of new sewer pipe, by open trench method, from a manhole at Ida Street and Second Street, trenching across Second Street, and then for the next two weeks installing sewer pipe in the eastbound lanes of Second Street from Ida Street to Marquard Avenue
  • Beginning Friday, May 20, traffic lanes on Second Street between E Street and Miramar Avenue will be shifted north in preparation of the construction of the retaining wall along this section of Second Street
  • Nightwork will resume on May 31, in order to:
    • Pothole to locate existing utilities on Third Street from Lincoln Avenue to Irwin Street
    • Install waterline from San Rafael High School to Irwin Street


  • For the lane shift on Second Street, motorists should be aware of changed conditions and be alert
  • Traffic controls (temporary signs, message boards, traffic cones, delineators and detour signs) will be put in place to direct motorists through the work area
  • Curb parking spaces will be marked “No Parking”
  • There will be intermittent lane closures on Third Street and detours on A Street, B Street, C Street, D Street, and E Street
    • For businesses in this section of Second Street, the City’s contractor,  Ghilotti Bros. Inc., will help facilitate deliveries by providing traffic controls and flagging

The hours of work will be 6 am – 6 pm and lane closures 6 am – 3 pm on Third Street and Second Street eastbound, and 9 am – 6 pm on Second Street westbound.

Click on the map below to go to an interactive map:

may 16 - may 20 2022 third street improvements project map

For more information, visit the project website or contact the City at

Please note: all estimated timelines are tentative and subject to change.

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