1964 state highway renumbering (California)

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Template:RouteRenumberings In 1963 and 1964, the California Division of Highways implemented a major renumbering of its state highways. The majority of sign routes—those marked for the public—kept their numbers; the main changes were to the legislative routes, which had their numbers changed to match the sign routes. Many formerly unsigned routes received sign numbers corresponding to their new legislative numbers. A smaller change was the removal and truncating of many U.S. Routes in favor of the Interstate Highways (designated in 1959), and the renumbering of State Routes that conflicted with Interstate numbers. Some U.S. Routes that were officially removed continued to be signed until the replacement Interstates were completed.

The state law authorizing the renumbering was passed on September 20, 1963. Signage changes took place by July 1, 1964.[1]

Changes in sign routes[edit source | edit]

U.S. Routes[edit source | edit]

State Routes[edit source | edit]

All available numbers up to and including State Route 255 were assigned in 1964; State Route 256 and above were assigned starting in 1965.[2]

See also[edit source | edit]

References[edit source | edit]

  1. "Route Renumbering: New Green Markers Will Replace Old Shields". California Highways and Public Works. 43 (3–4): 11–13. March–April 1964. ISSN 0008-1159. Retrieved March 8, 2012 – via Archive.org.
  2. State Highway Routes, Selected Information - 1994 with 1995 Revisions (PDF)

External links[edit source | edit]

Visibility[edit source | edit]

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