Most people driving through Cambrian have no idea they’re on top of a railroad built to serve the New Almaden mines 🚂 Did you know about the forgotten rail line that ran along what’s now Camden Avenue—once a vital spur for the South Pacific Coast Railroad in 1886, later taken over by Southern Pacific. From mineral freight to local development, this stretch connected Campbell to one of the richest mercury mines in the world. Camden’s roadbed today hides a story of growth, grit, and transformatio