As part of the Sunset Tunnel Trackway Improvement Project, the SFMTA will resume the weekend construction on the Sunset Tunnel beginning on March 20-22. By replacing the aging track and other infrastructure inside the Sunset Tunnel, the project will help improve safety and reliability of the N Judah rail service for Muni customers.
In response to the concerns raised by some neighbors, the SFMTA has modified the work plan to better control the night time noise. Noise mitigation measures will include:
The Sunset Tunnel construction is scheduled to take place on 15 weekends. Since there were several cancelations in January and February, additional weekends may be required. The tunnel work is expected to be completed in fall 2015. The next tentative dates are the weekend of March 27.
What to Expect during Weekend Construction:
Prep work, such as wielding and moving the rails, will continue at the two staging areas by the portals during the day. In order to keep the local traffic flowing and maintain the N Judah rail service during day time hours, new rails will be delivered at night.
Weekend Bus Substitution Service:
Maximizing construction opportunities, the SFMTA has integrated multiple construction components under the Sunset Tunnel project in order to minimize the inconveniences for both N Judah riders and the community around the construction area.
The Transit Signal Priority (TSP) system upgrades are taking place at nine intersections sequentially along the N Judah Line. On the March 20 weekend, crews will be installing signal loops between the tracks at the intersection of Judah and 9th Avenue. The work will start approximately at 8 p.m. Friday and continue until early Monday morning. We will schedule the work to avoid late night time noise. During construction, the streets will remain open; however there will be lane closures and traffic will be diverted. Street parking at construction site will be temporarily unavailable.
The TSP system will use technology to reduce dwell time at traffic signals for Muni light rail vehicles by holding green lights longer.
The construction of the westbound wheelchair accessible platform on Judah and 28th Avenue is scheduled to be completed by the end of March. The new stop will be in service as soon as the work is done. Construction of the eastbound stop on the other side of the street was completed in early February.
The new platform will include longer boarding islands and ADA (Americans with Disabilities Act) compliant curb ramps, making Muni Metro system safer and easier to use for all customers.
For concerns or assistance, please contact: Tess Kavanagh, Project Manager, at 415.701.4212, via email attess.kavanagh@sfmta.com or Jay Lu, Public Relations Officer, at 415.701.4387, via email at jay.lu@sfmta.com.
In response to the concerns raised by some neighbors, the SFMTA has modified the work plan to better control the night time noise. Noise mitigation measures will include:
- Using both west and east portals for removal and handling gravel ballast
- Delivering gravel ballast to the job site only between 6 a.m. and 10 p.m. Fridays through Sundays
- Installing mufflers on the construction equipment and using acoustically attenuating shields or shrouds on impact tools
- Using new backup alarms with lower noise level
- Using electric powered rather than diesel-powered equipment whenever possible
The Sunset Tunnel construction is scheduled to take place on 15 weekends. Since there were several cancelations in January and February, additional weekends may be required. The tunnel work is expected to be completed in fall 2015. The next tentative dates are the weekend of March 27.
What to Expect during Weekend Construction:
- Crews will work continuously from approximately 8 p.m. on Friday until 5 a.m. on Monday.
- The majority of the work will take place inside the Sunset Tunnel and at the tunnel entrances.
- Noise control measures will be implemented; however the work will be audible throughout the weekend.
- The streets near the tunnel entrances will remain open.
- To accommodate the tunnel work, parking restrictions will become effective from Friday 12 a.m. to Monday 5 a.m. on both sides of Duboce Avenue from Steiner to Scott Street, and on both sides of Carl Street from Clayton to Cole Street.
Prep work, such as wielding and moving the rails, will continue at the two staging areas by the portals during the day. In order to keep the local traffic flowing and maintain the N Judah rail service during day time hours, new rails will be delivered at night.
Weekend Bus Substitution Service:
- Bus shuttles will substitute for the N Judah rail service between Church & Duboce and Ocean Beach.
- Bus substitution will start at about 7 p.m. on Friday and will be operated during regular service hours until early Monday morning.
- The bus shuttles will follow the N Judah Line making regular stops except for the tunnel portion where buses will be routed to Haight Street.
- Regular N rail cars will continue to provide service between Caltrain Depot and Church & Duboce.
- The N Judah stops at Church & Duboce will provide a transfer point between bus shuttles and trains for Muni customers.
- The weekend N Judah Owl bus service will not be affected.
Maximizing construction opportunities, the SFMTA has integrated multiple construction components under the Sunset Tunnel project in order to minimize the inconveniences for both N Judah riders and the community around the construction area.
The Transit Signal Priority (TSP) system upgrades are taking place at nine intersections sequentially along the N Judah Line. On the March 20 weekend, crews will be installing signal loops between the tracks at the intersection of Judah and 9th Avenue. The work will start approximately at 8 p.m. Friday and continue until early Monday morning. We will schedule the work to avoid late night time noise. During construction, the streets will remain open; however there will be lane closures and traffic will be diverted. Street parking at construction site will be temporarily unavailable.
The TSP system will use technology to reduce dwell time at traffic signals for Muni light rail vehicles by holding green lights longer.
The construction of the westbound wheelchair accessible platform on Judah and 28th Avenue is scheduled to be completed by the end of March. The new stop will be in service as soon as the work is done. Construction of the eastbound stop on the other side of the street was completed in early February.
The new platform will include longer boarding islands and ADA (Americans with Disabilities Act) compliant curb ramps, making Muni Metro system safer and easier to use for all customers.
For concerns or assistance, please contact: Tess Kavanagh, Project Manager, at 415.701.4212, via email attess.kavanagh@sfmta.com or Jay Lu, Public Relations Officer, at 415.701.4387, via email at jay.lu@sfmta.com.
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