South Linden Avenue and Scott
Street Grade Separation (LSGS)
Project Status Update
City Council
City of South San Francisco
December 11, 2024
Item#6.e.
6/2/2022
Preliminary Design Status Information
1 Vicinity Map
South San Francisco Station
Colma Creek
N
San Bruno Station SSF and SB
City Limit
Scott St
1,850 feet to San Francisco to San Jose
South Linden Ave
Southline
Development
I-380
UPRR/
Granite Rock
- Proposed Grade Separation Locations
2 S. Linden Avenue – Existing At Grade X-Ing
Southline
Development
Airgas
Storage
Granite Rock
Central Concrete
3 Electrification
• Events in every city from San Francisco to Gilroy,
including South San Francisco
• 50+ community and performing arts organizations
participated
• Largest ridership weekend in 2024
• In the first month after electrification, total ridership increased by 17%, with weekend ridership growing by 38%. • Service increased by 20%, providing more station coverage without changing the total number of trains per day.
Successfully launched electrified service
on September 21, 2024
4 Grade Separation Project
Purpose and Need
➢ Purpose – Improve safety and operations at Scott St. and South Linden Ave. at-grade railroad crossings by separating the tracks from the roads. ✓ Safety – eliminate impacts between trains and motor vehicles, pedestrians, and bicycles
✓ Local Road Benefits– reduce traffic congestion and queuing ✓ Noise Benefits– reduce noise from train horns and gate bells ➢ Need – Train, vehicle, bicycles and pedestrian traffic will double in next 20 years creating unacceptable congestion, noise, and safety risks 5 Grade Separation
Project Scope by City
• Grade-separation at the South Linden Avenue crossing
(South San Francisco)
• Pedestrian
• Bicycles
• Vehicular
• Grade-separation at the Scott Street crossing
(San Bruno)
• Pedestrian
• Bicycles
• Eliminate vehicular crossing
6 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Apr 2016 - Apr 2021 Project Study Report (PSR) Phase
Sep 2020 SSF City Council - Preferred Alternative Selection (PSR - Alt 1) * Apr 2021 PSR Finalized *
Jul 2022 MOU between PCJPB / SB / SSF Executed *
Aug 2022 - Apr 2023 Preliminary Design Phase - Design Team Selection Proecess Jun 2023 - Dec 2026 Preliminary Engineering (PE) Phase (Design upto 35%) Jun 2023 - Current PE: Task 1 - Value Engineering (VE)
PE: Task 2 - Environmental Clearance
PE: Task 3 - Right-of-Way Clearance
PE: Task 4 - Design Upto 35%
PSR
Project Development Timeline
This PE Phase of the Project is 100% funded
7 Next Steps
• Potentially Impacted Property and Business Owner Outreach • December 2024 through January 2025
• SSF City Council (Caltrain / RSE / City Staff)
• Jan 29th, 2025
8 Thank you!
9