Railroad Semaphore Signal

Railroad Semaphore Signal (HMC2G)

Location: Colma, CA 94014 San Mateo County
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Country: United States of America
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N 37° 40.94', W 122° 27.371'

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Circa 1898

This type of railroad signal was introduced, circa 1898, to control the movement of trains and to prevent accidents. The blade moved up or down corresponding with green, yellow or red lights.
(Donated by
Southern Pacific
Transportation Company)
HM NumberHMC2G
Marker ConditionNo reports yet
Date Added Wednesday, September 24th, 2014 at 2:28am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)10S E 547951 N 4170709
Decimal Degrees37.68233333, -122.45618333
Degrees and Decimal MinutesN 37° 40.94', W 122° 27.371'
Degrees, Minutes and Seconds37° 40' 56.40" N, 122° 27' 22.26" W
Driving DirectionsGoogle Maps
Area Code(s)415, 650, 510
Closest Postal AddressAt or near 1506 Hillside Blvd, Colma CA 94014, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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