I-5 Grapevine / Ridge Route Conditions

I-5 between Santa Clarita and the San Joaquin Valley over Tejon Pass is known as “The Grapevine” and formerly known as “The Ridge Route”. It is an important corridor in California and has been so since 1915. Travel over the route can be quite treacherous in winter due to both rain and snow. Mudslides, rockfalls, …

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Ridge Route Alternate Presentation Video

If you missed my presentation on September 13 on the history of the Ridge Route Alternate, you can see it on YouTube on the Historic Highway 99 Association of California’s channel. Come take a look!

Route Fire – Updated 1730

From the Ridge Route Preservation Organization: Another wildfire has started at the south end of the Ridge Route in Marple Canyon along the 5. This fire, known as the Route Fire, has so far burned 250 acres and is not contained. The fire has burned across the old Ridge Route at the Callahan Line Change …

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Historic US 99 Presentation

On September 13, 2022, I will be giving a Zoom presentation for the Historic Highway 99 Association of California on the Ridge Route Alternate between Castaic and Tejon Pass. Come join the Association for the presentation! See the link below for details and to learn how to sign up.

Ridge Route Presentation Video

If you missed the presentation on May 17, you can view it on the Historic Highway 99 Association of California’s YouTube channel at: Additional prior meetings can be viewed at: https://www.youtube.com/channel/UCAvGZpwJjMnoBplxbkxMmaw