Section 383 Of Article 3. The State Highway Routes From California Streets And Highways Code >> Division 1. >> Chapter 2. >> Article 3.
383
. (a) Route 83 is from Route 71 to Route 10 near Upland.
(b) The relinquished former portion of Route 83 within the City of
Upland is not a state highway and is not eligible for adoption under
Section 81. For the relinquished former portion of Route 83, the
City of Upland shall ensure the continuity of traffic flow, including
any traffic signal progression, and maintain signs directing
motorists to the continuation of Route 83.