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California State Route 227

State Route 227 marker

State Route 227
Map of San Luis Obispo County in southern California with SR 227 highlighted in red
Route information
Defined by
Maintained by Caltrans
Length: 15.612 mi (25.125 km)
Existed: 1964 – present
Major junctions
South end: US 101 in Arroyo Grande
North end: US 101 / SR 1 in San Luis Obispo
Location
Counties: San Luis Obispo
Highway system
SR 225 SR 229

State Route 227 marker

State Route 227 (SR 227) is a state highway in the U.S. state of California and located in San Luis Obispo County. It is currently an alternate route to U.S. Route 101 in Arroyo Grande, meeting US 101 again in the city of San Luis Obispo. There is also an unconstructed routing from Route 1 south of Oceano to its present terminus in Arroyo Grande.

SR 227 starts at the intersection of US 101 and Grand Ave/Branch St. in Arroyo Grande. It travels east on Branch St. through the Village, which is the historic downtown section of Arroyo Grande. The route then turns north onto Corbett Canyon Rd. After a short distance, the road turns onto Carpenter Canyon Rd. The route leaves Arroyo Grande, and enters a more rural setting. It continues north, winding through the rolling hills. At Edna, the road’s name changes to Edna Rd. This is also the location of Price Canyon Rd, a county road which goes to Pismo Beach. The route continues north and enters the city of San Luis Obispo near the airport. The road’s name changes to Broad St. The route continues north through flat, urban setting. At South St, it turns west towards its terminus at US 101. The route turns south onto Higuera St, then west onto Madonna Rd, before it terminates at US 101.

SR 227 was adopted as a state route in 1933 as Legislative Route 147. It was an unsigned highway running from LRN 2 near Arroyo Grande to LRN 2 near San Luis Obispo (LRN 2 is currently known as US 101). In 1964 during the renumber of California state routes, LRN 147 became SR 227, and became a signed route. However, except for the new route number, the highway did not change. In 1968, a southern extension to SR 1 south of Oceano was added to its definition. That extension has never been constructed.


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