US 99 Highway TourStop 14B · Los Angeles County · Post-1930 Alignment through Santa ClaritaOpen US 99 in the Tour AppVirtual Tour of US 99Santa Clarita Valley Pico Canyon Road / Lyons Avenue This section of US 99 was opened with three lanes in 1930. It was under construction through this area as early as … Continue reading US 99 – Pico Canyon Road