California Highways: Route by Route History,Interstate,Legislative (LRN),Naming,Routes,State,US Highways CA RxR 3.06p2: I-5: Whatever Became of the Ridge Route? (Part 2)

CA RxR 3.06p2: I-5: Whatever Became of the Ridge Route? (Part 2)

January 26, 2025January 26, 2025| DanielDaniel| 0 Comment| 1:00 am
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Our I-5 exploration continues, with a focus on the segment of I-5 from the US 101 split in Downtown Los Angeles to the Route 99 split in Wheeler Ridge. This episode, Part 2 of 3.06, completes the history from Part 1 with a detailed dive into the history of the Ridge Route. After that, we discuss major projects in this segment of I-5, as well as historical and memorial names. This includes our second deep dive into the history of the “Grapevine” name. Our special guest this episode is Sydney Croasmun of the Ridge Route Preservation Organization. Sydney brings her expertise our Ridge Route discussion, and also discusses the goals and activities of the RRPO. Subsequent episodes will be looking at (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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CA RxR 3.05p2: I-5: San Diego to Los Angeles (Part 2)CA RxR 3.05p2: I-5: San Diego to Los Angeles (Part 2)

December 30, 2024December 30, 2024| DanielDaniel| 0 Comment| 10:19 am

In this episode, we continue 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 2, this part, looks at the projects along this segment of I-5, as well as some of the more significant names. Go back to part 1 for 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. 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):

(more…)

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CA RxR 4.06: I-10: San Bernardino FreewayCA RxR 4.06: I-10: San Bernardino Freeway

January 29, 2026January 29, 2026| DanielDaniel| 0 Comment| 6:10 am

Episode 4.06 continues our exploration of Route 10.  Episode 4.05 covered the first segment of Route 10: The Santa Monica Freeway between Route 1 and the I-5/US 101 junction. This episode, 4.06, covers the second segment of Route 10, from US 101 to the Arizona Border. Along the way, we explore the former I-110 segment, Route 10S, and do a deep dive into the US highways that shaped this segment of I-10: US 60, US 70, and US 99. We explore the historical routing of those highways across this segment. We also look at some of the names on the highway, and current projects along the highway.

In the next episode, 4.07, we’ll turn our attention to Route 11. We’ll start by exploring LRN 11, and then look at the original Sign Route 11. This was originally tied closely with the development of US 66, and became today’s Route 110. We’ll also talk about the current Route 11.

Here’s the link to the show:

And here’s the link on Spotify for Creators:

(more…)

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CA RxR 4.03: Route 9: Santa Cruz and SaratogaCA RxR 4.03: Route 9: Santa Cruz and Saratoga

November 28, 2025November 28, 2025| DanielDaniel| 0 Comment| 5:50 am

Episode 4.03 starts a pair of episodes that explore Route 9, which in its post-1964 version runs from Santa Cruz to Saratoga and Los Gatos. Before 1964, Route 9 continued N up to the Mountain View area, and then across to Milpitas, and up to the Castro Valley. This episode (4.03) covers the current Route 9 from Santa Cruz to Los Gatos; the next episode (4.04) covers the remainder of pre-1964 Sign Route 9 through Mountain View, Milpitas, and up through Hayward and the Castro Valley. This episode also explores the 9th State Route between Peanut and Kuntz (now Mad River), and LRN 9. LRN 9 ran all the way from Ventura to San Bernardino, and was Sign Route 118 from Ventura to Pasadena, and US 66 from Pasadena to San Bernardino. As always, we’ll talk about historical routings, projects along the route, and some significant names. As noted, the next episode explores the remainder of pre-1964 Sign Route 9 from Saratoga through Milpitas to the Castro Valley.

Here’s the link to the show:

And here’s the link on Spotify for Creators:

(more…)

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