Monterey County Route G11 is 8.96-mile highway located on San Juan Road between US Route 101 near the Pincate Rocks and County Route G12 in Pajaro. San Juan Road is one of the primary overland corridors which once served as a spur of El Camino Real between Missions San Juan Bautista and Santa Cruz. San Juan Road maintained relevance as a connector highway into modern times and was designated as Monterey County Route G11 in 1965.
https://www.gribblenation.org/2025/05/monterey-county-route-g11.html?m=1
Interesting way to emphasize that you are crossing two tracks in the late photo at the railroad crossing.