California Highways: Route by Route History,Interstate,Legislative (LRN),Routes,State CA RxR 3.05p1: I-5: San Diego to Los Angeles (Part 1)

CA RxR 3.05p1: I-5: San Diego to Los Angeles (Part 1)

December 16, 2024December 16, 2024| DanielDaniel| 0 Comment| 6:43 pm
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In this episode, we start our exploration of I-5, the central spine of California. We’re splitting the discussion over 6 episodes, some of which are two-parters. This first episode (a two-parter) looks at the former US 101 segment, from the Mexico Border to Downtown Los Angeles. Part 1, this part, starts with a discussion of all things 5: Maritime Highway M-5, the 5th state highway, Legislative Route 5, Sign Route 5, and then I-5. For I-5, we look at the history of the route, and the pieces that led to first the US 101 Bypass and then I-5 in this area. We’ll finish the discussion in Part 2, where we look at projects along the route and names along the route. Subsequent episodes will be looking at (3.06) from Downtown LA to Wheeler Ridge, where Route 99 splits, including the Ridge Route; (3.07) the Westerly Routing; (3.08) the planned I-5W; (3.09) the former US 99W portion from Sacramento to Redding; and (3.09) the portion from Redding to the Oregon Border.

Here’s the link to the show:

And here’s the link on Spotify for Creators (Spotify changed names yet again):

Here are some relevant links (I may edit this to add more links in later):

We encourage you to explore our back catalog through this site or our Spotify for Creators home.

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CARxR 1.09: Highway Numbering: Interstate HighwaysCARxR 1.09: Highway Numbering: Interstate Highways

March 25, 2023March 25, 2023| DanielDaniel| 0 Comment| 1:04 pm

In this episode, we continue our exploration of numbering of state highways by turning our attention to the Interstate Highway system. This system, started in 1956, uses the red, white, and blue shields. It is the third episode in a four part miniseries on highway numbers in California. In this episode we talk about the history of the Interstate Highway system, how the Interstate Highways are numbered, the history of California’s chargable interstates (i.e., highways that counted towards the federal 42,500 mile limit), the history of California’s non-chargeable interstates, some interstate submissions that were never approved, and we opine about some of the most common questions about California interstates.

There is no interview. We’re going to move the interview segments into separate bonus episodes, owing to the difficulty of obtaining and scheduling the interviews.

The remaining episode in this miniseries will explore the numbering of and the history of California’s signed county route system.

Here’s the link to the show:

And here’s the link on Spotify for Podcasters:

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CA RxR 3.02: Route 4: Hercules to StocktonCA RxR 3.02: Route 4: Hercules to Stockton

October 20, 2024October 20, 2024| DanielDaniel| 0 Comment| 5:24 pm

In this episode, we commence a 3-part exploration of Route 4. This episode starts with all things Route 4: The 4th state route, DOH and Legislative Route 4, and pre-1964 Route 4, finally setting on today’s Route 4. We talk about the LRNs that make up today’s Route 4: LRN 106, LRN 75, and LRN 24. We focus on the first segment of the route, from I-80 in Hercules to I-5 in Stockton. We talk about Route 4 in cities such as Hercules, Martinez, Concord, Antioch, Brentwood, the wetlands, and the Port of Stockton. We also talk about freeway segments, projects, and names along the route. The subsequent two episodes continue Route 4, with 3.03 focusing on the Stockton Crosstown Freeway.

Here’s the link to the show:

And here’s the link on Spotify for Podcasters:

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CA RxR 3.10: I-5: Gateway to OregonCA RxR 3.10: I-5: Gateway to Oregon

April 28, 2025April 28, 2025| DanielDaniel| 0 Comment| 5:09 pm

Episode 3.10 completes our exploration of I-5, looking at the segment that was former US 99, LRN 3, between Red Bluff and the Oregon Border. Along the way, we visit Red Bluff, Anderson and Redding, the Lake Shasta Area, Dunsmuir, Mt. Shasta, Weed, Yreka, and run into a California Agricultural Inspector who was trapped in a bottle by a witch. Our next episode will move us to the next highway, looking at US 6 and all things Route 6 in California.

Here’s the link to the show:

And here’s the link on Spotify for Creators:


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