US 99 – Castaic

Historical Tour of US 99

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Castaic
El. 1280′

Castaic, formerly a small ranching community, serves as a major truck stop on I-5 today. As it sits at the bottom of the first major mountain grade north of Los Angeles, it is perfectly suited to this task.

Castaic in 1949. Dark road is US 99 (Castaic Road) and the Ridge Route joins near the center.
Castaic in 1949. Dark road is US 99 (Castaic Road) and the Ridge Route joins near the center.
Castaic Road through Castaic. Looking North.
Original 1930 Castaic Road through Castaic. Looking North.

In 1930, US 99 was built through Castaic with three lanes. In 1951, the town was bypassed by the four lane expressway version of US 99. In 1968, I-5 was completed through here and was built atop the old expressway.

Castaic in 1958. I-5 follows the route of the divided highway on the left. The middle road is Castaic Road, the far right is the Ridge Route.
Castaic in 1958. I-5 follows the route of the divided highway on the left. The middle road is Castaic Road, the far right is the Ridge Route.
This service station probably dates back to at least the 40's.
This service station, the Evergreen Service, probably dates back to at least the 40’s.
This photo shows the 1933 alignment of US 99 just north of Castaic. Before I-5, this road joined into the expressway. The bridge dates back to 1930.
This photo shows the 1933 alignment of US 99 just north of Castaic. Before I-5, this road joined into the expressway. The bridge dates back to 1930.
1930 date stamp on the Palomas Creek Bridge.
1930 date stamp on the Palomas Creek Bridge.
Map of this location. Castaic Road was the pre-1951 alignment of US 99.
Map of the northern end of Castaic. Castaic Road was the pre-1951 alignment of US 99.

Go North on US 99 to Bakersfield

Go South on US 99 to Los Angeles

Return to US 99 Introduction

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