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Sound Transit Update: Sounder
South King County Mobility Coalition
5/9/2019
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What we’ll cover today
- System expansion
- Kent & Auburn Stations
- Sounder capacity expansion
Sounder South King County Mobility Coalition 5/9/2019 What well - - PowerPoint PPT Presentation
Sounder South King County Mobility Coalition 5/9/2019 What well - - PowerPoint PPT Presentation
Sound Transit Update: Sounder South King County Mobility Coalition 5/9/2019 What well cover today System expansion Kent & Auburn Stations Sounder capacity expansion 2 System expansion More people, more cars Population
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System expansion
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More people, more cars
Population growth = traffic delays
Freeway delays each year
Almost 200,000 new neighbors added since 2015
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Meeting growing demand
Average weekday ridership
2010 75,508 2018 160,000 2040
PROJECTED
700,000 550,000
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South King County
Federal Way Link Extension Tacoma Dome Link Extension – Federal Way to South Federal Way S Boeing Access Rd light rail infill station I-405 BRT – Burien to Tukwila Sounder station parking and access improvements; track and platform upgrades A B C D E
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About Sounder South
- Service between Seattle (King
Street Station) and Lakewood
- Thirteen daily round trips
(8 to Lakewood)
- Special event trains
- Steady ridership growth – over
16,000 daily trips in 2018
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Steady ridership growth
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Kent & Auburn Stations: Parking & access improvements
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Overview
- New parking garages and
pedestrian, bike, and bus improvements
- Approved by voters in ST2
- 2017 Alternatives Analyses
- ST Board identified preferred
garage locations
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Kent garage concept
- Approximately 530 stalls
- 3 levels, 2 entrances
- Realigned Railroad Avenue N
- Environmental study to be
released in mid 2019
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Kent: Potential Pedestrian, Bicycle, and Bus Improvements
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Auburn garage concept
- Site located at 1st and A
Streets NW
- Approximately 535 parking
spaces for commuters
- Environmental study to be
released in fall
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Auburn: Potential Pedestrian, Bicycle, and Bus Improvements
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Next Steps: Kent & Auburn
Now: Complete early engineering and environmental review
- Open Houses – Fall 2019
- Sound Transit Board actions – Fall 2019
Next: Design
- Permitting, property acquisition, hire construction firm
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- Approved by voters in 2016
- Add capacity to meet growing ridership demand
Sounder capacity expansion
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Overview
- Expanded platforms to
accommodate up to 10-car trains.
- Potential track and signal upgrades
for possible additional trips.
- Access improvements for
pedestrians, bicyclists, buses and cars.
Platform extension Track improvements Station access
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Planning
- First step: Strategic Development & Implementation Plan
- Define the program and schedule
- Analyze existing service
- Model service scenarios
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Things to consider about expansion
- BNSF owns tracks from Tacoma to
Seattle; new train trips costly
- Freight traffic concentrated outside of
peak commute period
- Midday train storage is limited
- King Street Station tracks and center
platform are constrained
- Restrictions on crew hours
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Things to consider: Ridership demand
Average weekday boardings, January 2019
200 400 600 800 1000 1200
Southbound
200 400 600 800 1000 1200
Northbound
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Public Outreach & Next Steps
- Two rounds of outreach
- July/August: share service scenarios
and learn community priorities
- Fall: share draft Strategic Plan
- Online & in-person engagement
- Sound Transit Board adopts Strategic
Plan – first quarter 2020
- Planning for first round of projects
begins - 2020
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