California State Route 281

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State Route 281

Soda Bay Road
SR 281 highlighted in red
Route information
Maintained by Caltrans
Length3.000 mi[1] (4.828 km)
Length of unconstructed portion is about 14 mi (22 km)
Major junctions
West endSoda Bay Road at Clear Lake
East end SR 29 near Glenview
CountryUnited States
Highway system
I-280 SR 282

State Route 281 (SR 281) is an approximately 3-mile (4.8 km) state highway in the U.S. state of California that runs along Soda Bay Road from near the southern shore of Clear Lake to State Route 29 (SR 29) in Glenview in Lake County. SR 281 is legislatively defined to be a loop route of SR 29 that runs along or near the southern edge of Clear Lake from Glenview to Lakeport, but most of this is unconstructed.

Route description

The route currently begins at Clear Lake from Soda Bay Road and heads south. After three miles, it meets its south end at State Route 29.

The planned segment west along Soda Bay Road to Lakeport remains unconstructed. This portion of Soda Bay Road is currently Lake County Route 502.

SR 281 is not part of the National Highway System,[2] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[3]

Major intersections

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Lake County.

14.00Soda Bay Road (CR 502 west)Continuation beyond Konocti Bay Road
Konocti Bay Road (CR 502 east)West end of SR 281
17.00 SR 29 – Lower Lake, KelseyvilleEast end of SR 281
Red Hill RoadContinuation beyond SR 29
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  2. ^ Federal Highway Administration (March 25, 2015). National Highway System: California (North) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved August 19, 2017.
  3. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
  4. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  5. ^ California Department of Transportation, All Traffic Volumes on CSHS Archived July 21, 2011, at the Wayback Machine, 2006

External links