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SP Roundhouse Mariposa.jpg

Mariposa Roundhouse

The playground was designed to trace the location of the original roundhouse serving the Southern Pacific railroad.

Tracks still cross 16th Street where UCSF's new Children's Hospital is located. They once were amidst dozens of tracks, and went into the Southern Pacific Roundhouse (which allowed trains to be switched from one track to another) that occupied the land just west of the new hospital.

Look closely to find the roundhouse pattern. Visit FoundSF for more hints through fascinating photos.

Visit to join the community fun as our gift to you during this year's "holidays at home" Shelter in Place.

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