California State Route 229

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State Route 229

Route information
Maintained by Caltrans
Length9.160 mi[1] (14.742 km)
Major junctions
South end SR 58 near Atascadero
North end SR 41 near Creston
CountryUnited States
CountiesSan Luis Obispo
Highway system
SR 227 SR 232

State Route 229 (SR 229) is a state highway in the U.S. state of California, running in San Luis Obispo County from State Route 58 to State Route 41. It connects the small community of Creston with the rural state routes. Also, in conjunction with SR 58 and SR 41, it provides a slower, more scenic route between the Central Coast and the San Joaquin Valley.

Route description

SR 229 starts at SR 58 east of Santa Margarita. It travels north on Webster Road as a one-lane, windy mountain road, after which the road widens to two lanes as it approaches Rocky Canyon Road. In this segment, it is a county road much like a standard rural state route. It continues north through relatively flat, rural farmland and then passes through the small town of Creston, continuing north and terminating at SR 41.

SR 229 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]


SR 229 was adopted as a state route in 1933 as Legislative Route 137. It was an unsigned highway running from LRN 2 (currently US 101) near Santa Margarita to LRN 125 (formally US 466, currently SR 41).[4] Its original purpose was to provide an alternate route between US 101 (the major north-south route on the Central Coast) to US 466 (a major route connecting the Central Coast to the San Joaquin Valley). In the 1950s, US 466 was moved to LRN 33 (currently SR 46). The original alignment became unsigned. In 1957, LRN 137 was changed to start at LRN 58 (currently SR 58) instead of LRN 2. This isolated the route between two rural routes. In 1964, with the renumbering of California state routes, LRN 137 became SR 229 and became a signed route.[5] It has changed little since that time.

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 San Luis Obispo County.

0.00 SR 58 – McKittrick, Santa MargaritaSouth end of SR 229
9.16 SR 41 – Atascadero, Paso Robles, ShandonFormer US 466; north end of SR 229
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 (South) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 9, 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. ^ Route 137-144. Accessed: 12-01-2009.
  5. ^ Route 225-232. Accessed: 12-01-2009.
  6. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  7. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006

External links