County Route S10 (California)

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County Route S10
San Diego County Route S10
Olivenhain Rd/Rancho Santa Fe Rd
Length 9.74 miles
Direction South/North
From El Camino Real in Encinitas
Major junctions San Marcos Blvd in San Marcos
SR 78 in San Marcos
To Mission Rd in San Marcos
Major cities Encinitas, Carlsbad, San Marcos
Established 1959
System California County Routes

County Route S10, also known as Olivenhain Rd and Rancho Santa Fe Rd, runs through North County in San Diego.

[edit] Route description

S10 begins as Olivenhain Rd at El Camino Real in Encinitas near the border with Carlsbad. Olivenhain crosses into Carlsbad and soon after turns into Rancho Santa Fe Rd. This road travels into San Marcos and passes near the unincorporated area of Lake San Marcos. (The entire run of the road past Carlsbad is located in parts of the incorporated city of San Marcos; often, at this point, the incorporated portions only follow the road, leaving unincorporated islands nearby.) Rancho Santa Fe intersects with San Marcos Blvd, and ocontinues northward. There is a junction with State Route 78. A short distance north, Rancho Santa Fe ends at County Route S14 (which changes names from Santa Fe Ave to Mission Rd at the intersection).

[edit] Note

The 1959 legislation states that S10 begins as Rancho Santa Fe in Encinitas at an intersection with Encinitas Blvd, then intersecting and merging with Olivenhain to continue the S10 routing and Rancho Santa Fe name. However, the current San Diego County Thomas Guide shows this first portion of Rancho Santa Fe as a secondary road, rather than a primary road (all county routes are displayed in the map as primary roads). Furthermore, the index lists Olivenhain as being part of the route. This article assumes the terminus of El Camino Real rather than Encinitas Blvd.

[edit] External links