California county routes in zone S
California County Routes in zone S
There are 34 routes assigned to the "S" zone of the California Route Marker Program, which designates county routes in California. The "S" zone includes county highways in Imperial, Orange, Riverside, San Diego, and Santa Barbara counties.
S1
County Route S1 (CR S1), also known as Sunrise Highway for a portion of its length, is a 34.08 mi (54.85 km) long county highway located entirely in San Diego County, California, United States. It begins at State Route 94 (SR 94) near Barrett and moves northward across Interstate 8 (I-8), just west of the Laguna Summit. This segment is also known as Buckman Springs Road. North of I-8, it is the Sunrise Scenic Byway, a National Forest Scenic Byway.
Route description
The route begins at SR 94 near Barrett not far from the Mexican border. From there, it heads northward along Buckman Springs Road. Soon afterwards, it enters the Cleveland National Forest. When the road reaches Interstate 8, while Buckman Springs Road continues northeastward across the freeway, CR S1 continues in a northwest direction along Old Highway 80, the original alignment of U.S. Route 80 in California.
The public source identifies “California county routes in zone S” as california County Routes in zone S. This brief keeps that definition visible, then builds a research path around California, county and routes.
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Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Aug 4, 2026. The linked authority identifier is Q623753.
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This entry incorporates text from “California county routes in zone S” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.