This photo shows the highway in 1948 near the top of the grade just after it was widened. Courtesy – Caltrans
Discover more from Southern California Regional Rocks and Roads
Subscribe to get the latest posts sent to your email.
US-99-4-lane-Castaic
This photo shows the highway in 1948 near the top of the grade just after it was widened. Courtesy – Caltrans
Subscribe to get the latest posts sent to your email.