
A very cool project is now being undertaken by the South Bay Historical Society. I learned about it last Saturday as I explored the Lemon Festival in Chula Vista.
A number of Historic Route California US 101 signs (like the one you see above) have been created, to be installed in National City, Chula Vista and San Ysidro along those streets where the legendary highway used to run.
Old timers might recall how US 101 ran north from near the US/Mexico Border in San Ysidro, along Beyer Blvd toward Chula Vista, along National Avenue (now Broadway in Chula Vista and National City Blvd in National City) to 8th Street, then along 8th Street west to Harbor Drive, before heading up through downtown San Diego and eventually into North County. Old U.S. Route 101 during its history saw various realignments, before being entirely replaced south of Los Angeles by Interstate 5 in 1964.
Here’s a great article detailing where the historic highway ran through San Diego and the South Bay cities. You’ll see current photographs of those places where it ran. Here’s another article with a map depicting an earlier US 101 Route, running up today’s National City Blvd to Main Street.
Many similar Historic Route US 101 signs have already been installed in San Diego County, particularly through the coastal cities of North County.
Once these new signs are installed, they will add a fine, nostalgic touch to those South Bay communities that the old highway once connected to the rest of California. And they will resurrect many fond memories.

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