1918
108 years ago
Innovation
The Twin Peaks Tunnel in San Francisco, California begins service as the long...
February 3, 1918
Summary
The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,630 meters) long.
Full Story
The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,630 meters) long.
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Quick Facts
- Date
- February 3, 1918
- Event Type
- Innovation
- Years Ago
- 108
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