California Highways: Route by Route is a podcast exploring California's state (and county) highway system, starting with the history and proceeding route by route through all highways in the state.

California Highways: Route by Route
Claim This Podcastby Daniel Faigin
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Podcast Overview
California Highways: Route by Route is a podcast exploring California's state (and county) highway system, starting with the history and proceeding route by route through all highways in the state.
Language
🇺🇲
Publishing Since
4/16/2022
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Recent Episodes

June 10, 2026
CA RxR 4.12: Route 14, Route 64, LRN 290: The Valley Freeways that Never Happened
<p>Episode 4.12 starts our exploration of the last route of this season: Route 14. Segment (a) of Route 14 is the unbuilt "Reseda to the Sea" freeway, so we take this opportunity to discuss the unbuilt freeways of the San Fernando Valley: the Reseda Freeway (Route 14), the Whitnall Freeway (Route 64), the Laurel Canyon Freeway (Route 170), and the freeway plans for Sunland Tujunga, the Angeles National Forest (Route 118, Route 122, Route 249), and the plan for the Mulholland Expressway (Route 268). We also discuss LRN 14 (part of US 40) and Sign Route 14 (which became Route 91). We'll discuss the built portion of Route 14 between I-5 and US 395 in the last official season 4 episode. With respect to Tom's sound quality: It's better. Daniel's mic has an occasional "pop" or "thump" problems; we'll hopefully fix that in Ep 4.13. We're also working to line up 2-3 bonus episodes during the season break.For more information and loads of links, see <a href="https://caroutebyroute.org/2026/06/10/ca-rxr-4-12-route-14-route-64-lrn-290-the-valley-freeways-that-never-happened/" target="_blank" rel="noopener noreferer">the episode's forever page at CARouteByRoute</a>.</p><p><br></p>

May 14, 2026
CA RxR 4.11: Route 13: Oakland and Berkeley
<p>With Episode 4.11, our attention turns to Route 13. In this episode, we look at LRN 13, Sign Route 13, and Route 13. LRN 13 was the Sonora and Mono Wagon Road, which became today's Route 219 and Route 108. Sign Route 13 was short-lived, quickly being renumbered as Sign Route 17 and Route 17, and is today's Route 17, I-880, and I-580 N of the Bay Bridge. The post-1964 Route 13 of today runs from Route 61 to Route 61 through Oakland and Berkeley, and is best known as the Warren Freeway and Ashby Blvd. As for Route 61, you'll just have to listen to the episode. Next time: In Ep 4.12, we'll look at Route 14 and the unbuilt freeways of the San Fernando Valley. Lastly, note that in this episode Tom was having microphone trouble, so his sound is a bit off (and I don't know Audacity well enough to fix it).For more information, see <a href="https://caroutebyroute.org/2026/05/14/ca-rxr-4-11-route-13-oakland-and-berkeley/" target="_blank" rel="noopener noreferer">the show notes at the episode's forever home</a> at CARouteByRoute.org. </p><p><br></p>

April 22, 2026
CA RxR 4.10: Route 12: Into the Sierras
<p>Episode 4.10 concludes our exploration of Route 12 with an exploration of the final section of the route: From Route 99 in Lodi to Route 49 near San Andreas. This is a segment that travels through the foothills of the Sierras, running through Lodi, Lockeford, Clements, Valley Springs, and San Andreas along what was originally LRN 24. We also review LRN 12, which we visited before in our episodes on Route 8, for LRN 12 became I-8 between San Diego and El Centro. In our next episode, our attention turns to Route 13, and includes a discussion of LRN 13, the original Sign Route 13 which was quickly renumbered as Sign Route 17, and today’s Route 13 which runs through Oakland and Berkeley, although the route is unconstructed between the Oakland Airport and I-880.For additional links and more information, visit <a href="https://caroutebyroute.org/2026/04/22/ca-rxr-4-10-route-12-into-the-sierras/" target="_blank" rel="noopener noreferer">the show's page at its forever home on CARouteByRoute.org</a></p>
58 total episodes available
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Frequently asked questions
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- What is California Highways: Route by Route?
- How often does this podcast release new episodes?
This podcast updates weekly.
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This podcast is available on 9 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
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