Section 527 Of Article 3. The State Highway Routes From California Streets And Highways Code >> Division 1. >> Chapter 2. >> Article 3.
527
. (a) Route 227 is from Route 1 south of Oceano to Route 101 in
San Luis Obispo.
(b) The relinquished former portions of Route 227 within the
Cities of Arroyo Grande and San Luis Obispo are not state highways
and are not eligible for adoption under Section 81. For the
relinquished former portion of Route 227, the Cities of San Luis
Obispo and Arroyo Grande shall maintain within their respective
jurisdictions signs directing motorists to the continuation of Route
227 and shall ensure the continuity of traffic flow on the
relinquished portion of Route 227, including any traffic signal
progression.