Sound Transit Express Route 578
🚍 Puyallup - Seattle
7 days a week. Holiday service varies.
This line does not run during weekday peak hours when Sounder train service is available. Sound Transit Express 577 provides additional service between Federal Way and Seattle.
Points of interest/Connections
 Local stop segment
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 Regular bus stops
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 Transit centers
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| Major stops | Points of interest | |||
| Sounder connections: |  |
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| Puyallup Station |  |
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Downtown Puyallup | |
| Sumner Station | |
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Downtown Sumner | |
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| Auburn Station | |
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Downtown Auburn (Washington), Auburn Regional Medical Center | |
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| Federal Way Transit Center | |
The Commons at Federal Way, Truman High School | ||
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 HOV lanes
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| Central Link connections: |  |
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| International District Station |  |
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King Street Station |
| Pioneer Square Station | |
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Pioneer Square |
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| Symphony Station | |
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Downtown Seattle via 4th/2nd avenues | |
| Westlake Station |  |
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