construction workers bolting railroad ties to new tracks


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construction workers bolting railroad ties to new tracks construction workers bolting railroad ties to new tracks

Railroad construction workers bolting ties to the new tracks of the San Francisco Municipal Railway.­

In this project, reinforced concrete is poured under the rails, and the rail ties bolts (large black bolts) will be encased in that layer of concrete.­

View more photos of railroad workers replacing a Muni lightrail tracks in San Francisco.

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598-630 Duboce Ave, San Francisco, CA 94114, USA