S21 North in San Diego County (Former US101)
S21 is Old US101 in San Diego County. These photos are from Leucadia to
Oceanside. I never saw an authentic US101 sign out here, though there
are now "Historic US101" signs on it. This is a scenic route. These are all
This is north of Leucadia Blvd.
This is by Phoebe.
This is by Avocado.
Here is S21 at La Costa Blvd.
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