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"Stage Once Crossed Otay, Janal". The San Diego Union. July 28, 1968. p. G2. OCLC13155544.
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"Board Votes Pay for Road Contractor". Evening Tribune. San Diego. December 3, 1928. p. 2. OCLC37687666.
"Money Voted for Roads by Board". Evening Tribune. San Diego. February 4, 1929. p. 11. OCLC37687666.
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Mansfield, Richard (April 8, 1929). "'Old Campo Road' Hornbeck's Pride; State's Lone 'All-Year-Clear' Sierra Highway, Claim". Evening Tribune. p. 7. OCLC37687666.
"District Must Pay for Jail Lodgings". Evening Tribune. San Diego. June 9, 1931. p. 9. OCLC37687666.
"May Include SD Roads in State System". Evening Tribune. San Diego. October 14, 1932. p. 3. OCLC37687666.
"Chamber Acts to Get County Road Funds". Evening Tribune. San Diego. January 18, 1935. p. 2. OCLC37687666.
"A Major Highway Lost in the Past". San Diego Union-Tribune. July 14, 2008. p. EZ7. OCLC25257675.
"Campo Road as Military Route, Plea". Evening Tribune. San Diego. February 7, 1935. p. 6. OCLC37687666.
"State Changes Highway Number". The San Diego Union. November 20, 1937. p. 12. OCLC13155544.
"Highway Board Views Park Link". The San Diego Union. June 24, 1939. p. 1. OCLC13155544.
"Improvement Urged on Highway 94 Section". The San Diego Union. August 30, 1939. p. 6A. OCLC13155544.
"Road Improvement Plans Sent to Group". The San Diego Union. July 20, 1952. p. A23. OCLC13155544.
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"New Low-Level Survey Before Board". The San Diego Union. November 15, 1953. p. A19. OCLC13155544.
"San Diego County Gets $16,139,000 For Road Projects". The San Diego Union. October 25, 1954. p. A13. OCLC13155544.
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