This sign is unique in Santa Cruz County and considered rare in Northern California.

8070 Soquel Drive, Aptos, CA
Notable Dates
Installed prior to 1969.

This signs were removed in 2018.

ust past the intersection for Soquel Drive and Trout Gulch Road in Aptos there is a traffic caution sign that says "SUBWAY."

Some suggest it is there because traffic flows under a railroad by changing elevation (downhill going east). There are about* six places in the county where traffic flows under the railroad.

There is a "NARROW SUBWAY" sign on Highway 129 in Santa Cruz County just before the road crosses into San Benito County.

*Considering normal road traffic only. Not counting off-road, such as the beach beneath the Railway Bridge at San Lorenzo River or stream crossings.

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2012-04-13 20:51:12   Caltrans uses the term "subway" for these kinds of railroad grade separations, though maybe its usage for signs has been deprecated. The only other sign like this I can remember in NorCal—warning of the "narrow subway" as ramps from 80/580 become Ashby Ave in Berkeley—looks rather weathered. —