Interstate 8 (English Wikipedia)

Arizona Highway Department (1921). Tentative 7% System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 19, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1926). Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on March 4, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1929). Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on March 26, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1930). Condition Map of State Highway System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 19, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1934). Condition Map of State Highway System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 14, 2016. Retrieved May 4, 2008.
Arizona Highway Department; Rand McNally (1963). Road Map of Arizona (Map). 1 in:24 mi. Arizona Highway Department. Archived from the original on June 21, 2011. Retrieved May 4, 2008.
Arizona Highway Department Photogrammetry and Mapping Division (1971). Road Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on June 21, 2011. Retrieved May 4, 2008.

acme.com (Global: low place; English: 8,475^th place)

mapper.acme.com

OpenStreetMap. Acme Mapper (Map). Acme Maps. Archived from the original on July 14, 2014. Retrieved April 28, 2013.

arizonaroads.com (Global: low place; English: low place)

DeMerse, H.M. (1935). Road Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on May 6, 2008. Retrieved May 4, 2008.

azcentral.com (Global: 1,030^th place; English: 521^st place)

Collom, Lindsey (January 29, 2011). "Arizona, Federal Officials Target Smugglers on Interstate 8". The Arizona Republic. Phoenix. OCLC 2609778. Retrieved June 21, 2014.

azdot.gov (Global: low place; English: 8,806^th place)

Roadway Inventory Management Section, Multimodal Planning Division (December 31, 2013). "2013 State Highway System Log" (PDF). Arizona Department of Transportation. pp. 1–11. Retrieved October 15, 2019.
Arizona Department of Transportation (2014). "Average Annual Daily Traffic" (PDF). Arizona Department of Transportation. Archived (PDF) from the original on March 29, 2017. Retrieved December 14, 2016.
"Final Environmental Assessment and Section 4(f) Evaluation" (PDF). Arizona Department of Transportation. February 2010. Archived from the original (PDF) on April 9, 2016. Retrieved September 18, 2019.

azhighwaydata.com (Global: low place; English: low place)

Arizona Department of Transportation (February 7, 1928). "Resolution 1928-P-144". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on September 4, 2011. Retrieved May 4, 2008.
Arizona Department of Transportation (September 21, 1973). "Resolution 1973-20-075". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on March 16, 2012. Retrieved May 4, 2008.
Arizona Department of Transportation (September 16, 1977). "Resolution 1977-16-A-048". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on September 15, 2011. Retrieved May 4, 2008.

azlibrary.gov (Global: low place; English: 6,229^th place)

azmemory.azlibrary.gov

Planning Survey Division (July 1, 1965). "1965-1966 Arizona Highway Sufficiency Rating; Route Log Showing Sufficiency Ratings For Each Section" (PDF). Arizona State Highway Department. Retrieved June 27, 2023 – via Arizona Memory Project.

books.google.com (Global: 3^rd place; English: 3^rd place)

Hoffman, Geralyn Marie; Gamble, Lynn H.; San Diego State University Institute for Regional Studies of the Californias (2006). A Teacher's Guide to Historical and Contemporary Kumeyaay Culture. San Diego: San Diego State University Institute for Regional Studies of the Californias. p. 24. ISBN 978-0-925613-51-6. OCLC 173480703. Archived from the original on November 30, 2016. Retrieved October 10, 2016.

ca.gov (Global: 352^nd place; English: 167^th place)

dot.ca.gov

Warring, KS (January 9, 2008). "Interstate 8 Freeway Interchanges" (PDF). California Numbered Exit Uniform System. Sacramento: California Department of Transportation. Archived (PDF) from the original on August 20, 2016. Retrieved February 5, 2009.
California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation. Retrieved December 14, 2016.
California Department of Transportation; California State Transportation Agency (January 2021). 2020 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Sacramento: California Department of Transportation. pp. 15, 289. Archived from the original (PDF) on October 10, 2022.
California Department of Transportation (2014). "All Traffic Volumes on CSHS". Sacramento: California Department of Transportation. Retrieved December 14, 2016.

leginfo.legislature.ca.gov

"Section 308". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved August 17, 2025.
"Article 2 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
"Article 2.5 of Chapter 2 of Division 1". California Streets & Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.

clerk.assembly.ca.gov

California State Assembly. "An act to add Section 253 and Article 3 (commencing with Section 300) to Chapter 2 of Division 1 of, and to repeal Section 253 and Article 3 (commencing with Section 300) of Chapter 2 of Division 1 of, the..." 1963 Session of the Legislature. Statutes of California. State of California. Ch. 385p. 1182.
California State Assembly. "An act to amend Sections 306, 320, 332, 351, 362, 365, 369, 374, 382, 388, 397, 407, 408, 409, 410, 415, 422, 435, 440, 446, 453, 456, 460, 467, 470, 476, 487, 492, 493, 494, 506, 521, 528, and 529..." 1959 Session of the Legislature. Statutes of California. State of California. Ch. 1062p. 3121.
California State Assembly. "An act to amend Sections 263.3, 263.8, and 415 of, and to add Section 486 to, the Streets and Highways Code, relating to state highways". 1972 Session of the Legislature. Statutes of California. State of California. Ch. 1216p. 2351.

postmile.dot.ca.gov

"Route 8U: Postmile IMP T96.456 to IMP 96.946". Postmile Services Postmile Query Tool. Caltrans. Retrieved March 21, 2025.

commons.wikimedia.org (Global: 484^th place; English: 698^th place)

Public Roads Administration (August 14, 1957). Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials (Map). Washington, DC: Public Roads Administration. Archived from the original on July 19, 2017. Retrieved June 14, 2018 – via Wikimedia Commons.
Arizona Department of Transportation. Exit 200 eastbound overhead (Highway guide sign). Casa Grande, AZ: Arizona Department of Transportation. Archived from the original on December 20, 2014. Retrieved October 27, 2012.
Public Roads Administration (August 14, 1957). Official Route Numbering for the National System of Interstate and Defense Highways as Approved by the American Association of State Highway Officials (Map). Scale not given. Washington, DC: Public Roads Administration. Archived from the original on November 10, 2012. Retrieved April 4, 2012.

cprr.org (Global: low place; English: low place)

Heath, Erle (1945). Seventy-Five Years of Progress. San Francisco: Southern Pacific Bureau of News. Archived from the original on May 2, 2014. Retrieved July 17, 2014.

davidrumsey.com (Global: low place; English: 7,147^th place)

California Division of Highways (1936–1937). Road Map of the State of California (Map). [1:1,463,040]. Sacramento: California Division of Highways. OCLC 26939810.
California Division of Highways (1961). Road Map of the State of California (Map). [1:1,411,705]. Sacramento: California Division of Highways. OCLC 60337964.
California Division of Highways (1965). Road Map of the State of California (Map). [1:1,411,705]. Sacramento: California Division of Highways. OCLC 381149522.

dot.gov (Global: 1,620^th place; English: 841^st place)

fhwa.dot.gov

Federal Highway Administration (March 25, 2015). National Highway System: California (South) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved May 25, 2015.
Federal Highway Administration (May 7, 2015). Arizona (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved May 29, 2015.
Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
"Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved August 17, 2025.

highways.dot.gov

Federal Highway Administration (February 29, 2012). "Previous Interstate Facts of the Day". Celebrating the Eisenhower Interstate Highway System. Federal Highway Administration. Archived from the original on April 26, 2006. Retrieved September 29, 2012.

gbcnet.com (Global: low place; English: low place)

"Route Renumbering: New Green Markers Will Replaces Old Shields" (PDF). California Highways and Public Works. 43 (1–2): 11–14. March–April 1964. ISSN 0008-1159. OCLC 7511628. Archived (PDF) from the original on June 19, 2013. Retrieved March 8, 2012.

google.com (Global: 109^th place; English: 87^th place)

"Interstate 8" (Map). Google Maps. Retrieved December 18, 2014.

maps.google.com (Global: 1,506^th place; English: 896^th place)

"Overview Map of I-8 in Arizona" (Map). Google Maps. Retrieved April 11, 2008.

measuringworth.com (Global: 3,470^th place; English: 1,768^th place)

Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.

nationalmap.gov (Global: 102^nd place; English: 67^th place)

edits.nationalmap.gov

"Telegraph Pass". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved May 10, 2021.

newspapers.com (Global: 24^th place; English: 12^th place)

Cole, Ben (May 1, 1963). "State Road Jobs Eyed by House". Arizona Republic. Phoenix. pp. 1, 4. Archived from the original on August 26, 2019. Retrieved June 10, 2019 – via Newspapers.com.

nps.gov (Global: 79^th place; English: 40^th place)

cr.nps.gov

Darton, D.H. (1933). Guidebook of the Western United States. Washington D.C.: Government Printing Office. Archived from the original on February 3, 2015.

solideas.com (Global: low place; English: low place)

National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Imperial County". National Park Service. Archived from the original on July 5, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Yuma County". National Park Service. Archived from the original on October 11, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Maricopa County". National Park Service. Archived from the original on November 20, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Pinal County". National Park Service. Archived from the original on November 20, 2008. Retrieved October 6, 2008.

sportsbusinessjournal.com (Global: 4,169^th place; English: 2,070^th place)

"San Diego Stadium Name Change Finalized for Qualcomm". Sports Business Journal. April 9, 1997. Retrieved March 26, 2023.

web.archive.org (Global: 1^st place; English: 1^st place)

Warring, KS (January 9, 2008). "Interstate 8 Freeway Interchanges" (PDF). California Numbered Exit Uniform System. Sacramento: California Department of Transportation. Archived (PDF) from the original on August 20, 2016. Retrieved February 5, 2009.
Public Roads Administration (August 14, 1957). Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials (Map). Washington, DC: Public Roads Administration. Archived from the original on July 19, 2017. Retrieved June 14, 2018 – via Wikimedia Commons.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Imperial County". National Park Service. Archived from the original on July 5, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Yuma County". National Park Service. Archived from the original on October 11, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Maricopa County". National Park Service. Archived from the original on November 20, 2008. Retrieved October 6, 2008.
National Park Service. "Juan Bautista de Anza National Historic Trail Guide: Pinal County". National Park Service. Archived from the original on November 20, 2008. Retrieved October 6, 2008.
OpenStreetMap. Acme Mapper (Map). Acme Maps. Archived from the original on July 14, 2014. Retrieved April 28, 2013.
Federal Highway Administration (February 29, 2012). "Previous Interstate Facts of the Day". Celebrating the Eisenhower Interstate Highway System. Federal Highway Administration. Archived from the original on April 26, 2006. Retrieved September 29, 2012.
California Department of Transportation; California State Transportation Agency (January 2021). 2020 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Sacramento: California Department of Transportation. pp. 15, 289. Archived from the original (PDF) on October 10, 2022.
Hoffman, Geralyn Marie; Gamble, Lynn H.; San Diego State University Institute for Regional Studies of the Californias (2006). A Teacher's Guide to Historical and Contemporary Kumeyaay Culture. San Diego: San Diego State University Institute for Regional Studies of the Californias. p. 24. ISBN 978-0-925613-51-6. OCLC 173480703. Archived from the original on November 30, 2016. Retrieved October 10, 2016.
Arizona Department of Transportation. Exit 200 eastbound overhead (Highway guide sign). Casa Grande, AZ: Arizona Department of Transportation. Archived from the original on December 20, 2014. Retrieved October 27, 2012.
Arizona Department of Transportation (2014). "Average Annual Daily Traffic" (PDF). Arizona Department of Transportation. Archived (PDF) from the original on March 29, 2017. Retrieved December 14, 2016.
Public Roads Administration (August 14, 1957). Official Route Numbering for the National System of Interstate and Defense Highways as Approved by the American Association of State Highway Officials (Map). Scale not given. Washington, DC: Public Roads Administration. Archived from the original on November 10, 2012. Retrieved April 4, 2012.
"Route Renumbering: New Green Markers Will Replaces Old Shields" (PDF). California Highways and Public Works. 43 (1–2): 11–14. March–April 1964. ISSN 0008-1159. OCLC 7511628. Archived (PDF) from the original on June 19, 2013. Retrieved March 8, 2012.
Darton, D.H. (1933). Guidebook of the Western United States. Washington D.C.: Government Printing Office. Archived from the original on February 3, 2015.
Heath, Erle (1945). Seventy-Five Years of Progress. San Francisco: Southern Pacific Bureau of News. Archived from the original on May 2, 2014. Retrieved July 17, 2014.
Arizona Highway Department (1921). Tentative 7% System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 19, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1926). Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on March 4, 2016. Retrieved December 14, 2016.
Arizona Department of Transportation (February 7, 1928). "Resolution 1928-P-144". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on September 4, 2011. Retrieved May 4, 2008.
Arizona Highway Department (1929). Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on March 26, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1930). Condition Map of State Highway System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 19, 2016. Retrieved December 14, 2016.
Arizona Highway Department (1934). Condition Map of State Highway System (Map). Phoenix: Arizona Highway Department. Archived from the original on March 14, 2016. Retrieved May 4, 2008.
DeMerse, H.M. (1935). Road Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on May 6, 2008. Retrieved May 4, 2008.
Cole, Ben (May 1, 1963). "State Road Jobs Eyed by House". Arizona Republic. Phoenix. pp. 1, 4. Archived from the original on August 26, 2019. Retrieved June 10, 2019 – via Newspapers.com.
Arizona Highway Department; Rand McNally (1963). Road Map of Arizona (Map). 1 in:24 mi. Arizona Highway Department. Archived from the original on June 21, 2011. Retrieved May 4, 2008.
Arizona Highway Department Photogrammetry and Mapping Division (1971). Road Map of Arizona (Map). Phoenix: Arizona Highway Department. Archived from the original on June 21, 2011. Retrieved May 4, 2008.
Arizona Department of Transportation (September 21, 1973). "Resolution 1973-20-075". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on March 16, 2012. Retrieved May 4, 2008.
Arizona Department of Transportation (September 16, 1977). "Resolution 1977-16-A-048". Right-of-Way Resolutions. Arizona Department of Transportation. Archived from the original on September 15, 2011. Retrieved May 4, 2008.
"Final Environmental Assessment and Section 4(f) Evaluation" (PDF). Arizona Department of Transportation. February 2010. Archived from the original (PDF) on April 9, 2016. Retrieved September 18, 2019.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Thomas Brothers (1998). San Diego County Road Atlas (Map). 1:316,800. Irvine, CA: Thomas Brothers. p. 1232. ISBN 0-88130-902-8. OCLC 38909538.
Sanchez, Leonel (October 19, 1995). "Border Patrol Will Open Checkpoint on I-8". San Diego Union-Tribune. p. A1. OCLC 25257675.
Vigil, Jennifer (September 21, 2003). "State Asked for Barriers to Stop I-8 Cross-overs". San Diego Union-Tribune. p. B1. OCLC 25257675.
"Smugglers Make East County Highways Deadly". San Diego Union-Tribune. October 13, 2005. p. B13. OCLC 25257675.
Thomas Brothers (2009). San Diego County Road Atlas (Map). Irvine, CA: Thomas Brothers. pp. 429–430, 1232–1237, 1251–1252, 1268–1270, 1298–1300. ISBN 978-1-58174-110-0. OCLC 263420904.
Rand McNally (2008). The Road Atlas: United States, Canada, and Mexico (Map). c. 1:1.584,000. Chicago: Rand McNally. p. 15. ISBN 978-0-528-93961-7. OCLC 173493291.
Rand McNally (2008). The Road Atlas: United States, Canada, and Mexico (Map). c. 1:190,080. Chicago: Rand McNally. p. 17. San Diego inset. ISBN 978-0-528-93961-7. OCLC 173493291.
Thomas Brothers (2000). California Road Atlas and Driver's Guide (Map). Irvine, CA: Thomas Brothers. pp. 107, 111, 112, 212, 213, 214, V. OCLC 41359350.
McVicar, Jim (May 9, 1985). "I-8 grade challenges the motorist". The San Diego Union. p. II7. OCLC 13155544.
Hudson, Ken (March 8, 1966). "Screen To Curb Devilish Wind". The San Diego Union. p. A17. OCLC 13155544.
Pittman (1995), p. 341. Pittman, Ruth (1995). Roadside History of California. Missoula, Montana: Mountain Press Publishing Company. ISBN 978-0-87842-318-7. OCLC 32396018.
Hoffman, Geralyn Marie; Gamble, Lynn H.; San Diego State University Institute for Regional Studies of the Californias (2006). A Teacher's Guide to Historical and Contemporary Kumeyaay Culture. San Diego: San Diego State University Institute for Regional Studies of the Californias. p. 24. ISBN 978-0-925613-51-6. OCLC 173480703. Archived from the original on November 30, 2016. Retrieved October 10, 2016.
DeLorme (2002). "Grid 62" (Map). Arizona Atlas & Gazetteer (5th ed.). 1:250,000. Yarmouth, Maine: DeLorme. p. 62. ISBN 9780899333250. OCLC 49309922.
Collom, Lindsey (January 29, 2011). "Arizona, Federal Officials Target Smugglers on Interstate 8". The Arizona Republic. Phoenix. OCLC 2609778. Retrieved June 21, 2014.
"Route Renumbering: New Green Markers Will Replaces Old Shields" (PDF). California Highways and Public Works. 43 (1–2): 11–14. March–April 1964. ISSN 0008-1159. OCLC 7511628. Archived (PDF) from the original on June 19, 2013. Retrieved March 8, 2012.
Mack, Joseph (May–June 1950). "Alvarado Canyon". California Highways and Public Works. 29 (4): 42–43. OCLC 7511628.
"State Asks Bids For Link in U.S. 80 Project Here". The San Diego Union. January 6, 1959. p. A13. OCLC 13155544.
"Freeway Link Opens Tomorrow on U.S. 80". The San Diego Union. April 23, 1962. p. A18. OCLC 13155544.
"State C of C Urges New Roads in Area". The San Diego Union. August 23, 1962. p. C17. OCLC 13155544.
Brooks, Joe (January 7, 1965). "More Freeway Center Barriers Are Planned". The San Diego Union. p. A21. OCLC 13155544.
"Alternate Routes Studied For Midway Area Freeways". The San Diego Union. August 27, 1962. p. A17. OCLC 13155544.
"Light Industry Center Urged For Midway-Frontier Area". The San Diego Union. August 15, 1962. p. A17. OCLC 13155544.
"$11 Million Interchange Projected". The San Diego Union. March 16, 1965. p. A15. OCLC 13155544.
"Fund Loss Feared For State Highways Under Transit Plan". The San Diego Union. May 11, 1966. p. A22. OCLC 13155544.
James, Paul (August 1, 1966). "Interstate 5 Will Have 36 Interchanges For Easy Travel". The San Diego Union. p. B1. OCLC 13155544.
Brown, Joe (March 26, 1967). "'Stack' Like Plate Of Spaghetti". The San Diego Union. p. B1. OCLC 13155544.
"$11 Million Interchange To Link Freeways". The San Diego Union. December 4, 1966. p. B4. OCLC 13155544.
"Interstate 5 and 8 Ramps to Close". The San Diego Union. February 27, 1968. p. C1. OCLC 13155544.
"Council Approves 109 Freeway Route". The San Diego Union. December 29, 1967. p. B3. OCLC 13155544.
"Ground Broken For Beach Freeway". The San Diego Union. September 24, 1968. p. C3. OCLC 13155544.
"Interstate 5–8 Revisions Due On Monday". The San Diego Union. August 3, 1968. p. B1. OCLC 13155544.
Clance, Homer (February 25, 1969). "2,000 To 3,000 Building Men Idled By Rain". The San Diego Union. p. B8. OCLC 13155544.
Scarr, Lew (September 26, 1969). "Dedication of Ocean Beach Freeway Slated". The San Diego Union. p. B1. OCLC 13155544.
"Bids on 4 Southland Road Projects Called". Los Angeles Times. March 24, 1964. p. 22. OCLC 3638237.
"Contract Let For Widening of Interstate 8". The San Diego Union. March 31, 1967. p. B11. OCLC 13155544.
"I-8 Freeway Improvement Pact OKd". The San Diego Union. February 20, 1974. p. B4. OCLC 13155544.
Staff (July 25, 1974). "City Asks Interchange Construction". The San Diego Union. p. B3. OCLC 13155544.
"Roadwork Begins In Area". The San Diego Union. October 31, 1974. p. B3. OCLC 13155544.
"Interchange Project Nears Green Light". The San Diego Union. May 20, 1981. p. B3. OCLC 13155544.
Grimaldi, James (May 30, 1985). "El Cajon Freeway Ramps to Open Soon". Evening Tribune. p. B6. OCLC 37687666.
Jahn, Ed (October 25, 1985). "Ramps are Opened Between Northbound I-15 and I-8". The San Diego Union. p. B2. OCLC 13155544.
Taylor, Kathie (December 5, 1986). "Detour-Sign Watchers Have Field Day at Interchange". Evening Tribune. p. B22. OCLC 37687666.
Hudson, Ken (May 1, 1977). "Traffic Congestion Plagues Interstate 8". The San Diego Union. p. B1. OCLC 13155544.
"New Mission Gorge Exit on I-8 to Open Today". Los Angeles Times. August 23, 1979. p. SD A10. OCLC 3638237.
Fuentes, Henry (April 20, 1984). "CalTrans Study Says Interstate 8 Stretch is Busiest Artery in Area". The San Diego Union. p. B3. OCLC 13155544.
Okerblom, Jim (September 20, 1987). "Interstate 8 from College Avenue to Waring is the Amazon of Freeways". The San Diego Union. p. B6. OCLC 13155544.
Kucher, Karen (March 3, 1992). "Lane-Widening May Snarl Traffic on I-8". San Diego Union-Tribune. p. B1. OCLC 25257675.
Okerblom, Jim (October 28, 1987). "Stoplight on I-8 May Ease Traffic". The San Diego Union. p. B1. OCLC 13155544.
Carson, Daniel (October 29, 1987). "Stoplight Turned Red by Protests". The San Diego Union. p. B1. OCLC 13155544.
McVicar, Jim (May 19, 1970). "San Diego-Yuma Freeway Dream Nearing Fruition". The San Diego Union. p. B3. OCLC 13155544.
Vance, Fred (June 8, 1975). "New Road Links San Diego, Yuma". Los Angeles Times. p. G3. OCLC 3638237.
McVicar, Jim (March 7, 1985). "Out of Way-side Ellis Rest stop still remembered". The San Diego Union. p. B4. OCLC 13155544.
Harrison, Donald (May 25, 1975). "Last Section Of Interstate 8 To Yuma Opens Thursday". The San Diego Union. p. B10. OCLC 13155544.
"Top Priority Urged On S.D, Oceanside Freeway Sections". The San Diego Union. May 28, 1963. p. A18. OCLC 13155544.
"Bids For US 80 Extension Asked". The San Diego Union. September 24, 1963. p. B1. OCLC 13155544.
"San Diego County Freeway System". The San Diego Union. February 22, 1965. p. A3. OCLC 13155544.
Van Denburgh, Russell (January 7, 1965). "Freeway System Big, Growing". The San Diego Union. p. C6. OCLC 13155544.
California Division of Highways (September 1965). "I-8 East of El Cajon". California Highways and Public Works. 44 (5): 40–41. OCLC 7511628.
"State To Ask Bids On Alpine Road Link". The San Diego Union. October 13, 1964. p. B1. OCLC 13155544.
Staff (February 25, 1965). "Money For Freeway West Of Alpine OKd". The San Diego Union. p. A33. OCLC 13155544.
"State Awards Freeway Job". The San Diego Union. August 7, 1965. p. B20. OCLC 13155544.
"Work Set To Start On New Freeway Link". The San Diego Union. September 29, 1965. p. A21. OCLC 13155544.
"State Reviews Low Road Bid For US 80". The San Diego Union. November 13, 1963. p. A17. OCLC 13155544.
"Jacumba Grade Opens Tomorrow". The San Diego Union. May 2, 1965. p. A22. OCLC 13155544.
Ainsworth, Ed (May 22, 1966). "Jacumba Ready For Big Moment". Los Angeles Times. p. F6. OCLC 3638237.
California Division of Highways (January 1964). "Mountain Springs Grade". California Highways and Public Works. 43 (1): 43–44. OCLC 7511628.
Zimmerman, Robert (March 26, 1963). "Atom Blasts Won't Build New US 80". The San Diego Union. p. A11. OCLC 13155544.
Kaye, Peter (March 9, 1963). "Steel Is Taming Devil's Canyon". The San Diego Union. p. A1. OCLC 13155544.
"$42 Million County Road Fund OKd". The San Diego Union. October 30, 1964. pp. A1–A2. OCLC 13155544.
"$12 Million Allocated for Work on Freeways". Los Angeles Times. May 27, 1965. p. A2. OCLC 3638237.
"Bids To Be Sought For Building Freeway In Laguna Mountains". The San Diego Union. September 14, 1965. p. A15. OCLC 13155544.
"Contract Let For $3 Million US 80 Job". The San Diego Union. January 29, 1966. p. B1. OCLC 13155544.
Staff (August 1, 1967). "Community's Name Argument Resumes". Los Angeles Times. p. A2. OCLC 3638237.
"$6.5 Million Road Job Let". The San Diego Union. April 18, 1967. p. B3. OCLC 13155544.
Staff (May 1, 1967). "Contract Let for Segment of Freeway". Los Angeles Times. p. 28. OCLC 3638237.
"Smog Problem Eyed By El Cajon Council". The San Diego Union. October 20, 1967. p. B3. OCLC 13155544.
Staff (October 22, 1967). "Bid Opening Set on Interstate 8". Los Angeles Times. p. 26. OCLC 3638237.
"Freeway Building Continues To Tie In County Cities". The San Diego Union. May 12, 1968. p. B4. OCLC 13155544.
"3-Mile Interstate 8 Freeway Job Let". The San Diego Union. August 23, 1968. p. B8. OCLC 13155544.
Hudson, Ken (September 8, 1968). "Million Points of Dynamite Slated to Clear Way for Interstate 8 Route". The San Diego Union. p. B2. OCLC 13155544.
Hudson, Ken (February 12, 1969). "Interstate 8 Alpine Section Opens April 21". The San Diego Union. p. B3. OCLC 13155544.
"Freeway Link Opens At Alpine". The San Diego Union. April 20, 1969. p. B2. OCLC 13155544.
Hudson, Ken (May 23, 1969). "Interstate 8 Section Opened Near Alpine". The San Diego Union. p. B3. OCLC 13155544.
"Mountain Freeway Link Progresses". The San Diego Union. January 25, 1970. p. B3. OCLC 13155544.
"County Freeways Dealt $47 Million". The San Diego Union. April 24, 1970. OCLC 13155544.
Stone, Joe (May 26, 1970). "Highway Group Gets Scenic Tour". The San Diego Union. p. B1. OCLC 13155544.
Clance, Homer (March 19, 1968). "18 Highway Projects Get Top Priority". The San Diego Union. p. C1. OCLC 13155544.
"Area's Freeways Losing Race With The Population". The San Diego Union. September 22, 1968. p. B4. OCLC 13155544.
"$26.8 Million Freeway Jobs OKd in County". The San Diego Union. October 22, 1969. p. B3. OCLC 13155544.
Clance, Homer (August 9, 1970). "Area Freeway Work Costs $107.5 Million". The San Diego Union. p. B1. OCLC 13155544.
Staff (May 10, 1971). "Improving of Highway Link Sought". The San Diego Union. p. B1. OCLC 13155544.
Staff (November 26, 1971). "Interstate 8 Bids Called By State". The San Diego Union. p. B3. OCLC 13155544.
Stewart, John (February 20, 1972). "430-Foot-High Bridge Planned For Route 8". The San Diego Union. p. B3. OCLC 13155544.
Kistler, Robert (March 29, 1972). "Money Problems Delay $150 Million in Freeway Work". Los Angeles Times. p. A1. OCLC 3638237.
"Public's Mood Shifts Away From Freeways". The San Diego Union. January 8, 1974. p. X16. OCLC 13155544.
"Pine Valley Creek Bridge Dedicated". The San Diego Union. November 24, 1974. pp. B1, B4. OCLC 13155544.
"San Diego". Los Angeles Times. January 18, 1979. p. SD2. OCLC 3638237.
Padilla, Steve (May 30, 1987). "1st 65 mph Sign Put Up East of El Cajon". The San Diego Union. p. B1. OCLC 13155544.
California Division of Highways (1936–1937). Road Map of the State of California (Map). [1:1,463,040]. Sacramento: California Division of Highways. OCLC 26939810.
"Completion of Freeway Link Nears". The San Diego Union. August 22, 1966. p. B3. OCLC 13155544.
"Highway 80 Relocation Outlined". Los Angeles Times. March 28, 1957. p. B8. OCLC 3638237.
"$42 Million OKd for County Roads". The San Diego Union. October 30, 1964. p. A2. OCLC 13155544.
"High of 110 Predicted for Today". The San Diego Union. June 19, 1966. p. A30. OCLC 13155544.
"Rains Cause Flooding, Power Loss". The San Diego Union. September 2, 1967. p. B3. OCLC 13155544.
Hudson, Ken (April 5, 1968). "Freeway 8 to Yuma Seen by '73". The San Diego Union. p. B3. OCLC 13155544.
California Division of Highways (1961). Road Map of the State of California (Map). [1:1,411,705]. Sacramento: California Division of Highways. OCLC 60337964.
California Division of Highways (1965). Road Map of the State of California (Map). [1:1,411,705]. Sacramento: California Division of Highways. OCLC 381149522.
"Interstate 8 Link Ready". The San Diego Union. July 13, 1970. p. B1. OCLC 13155544.
MacMillan, Doug (July 24, 1970). "Interstate 8 Link Due by Next May". The San Diego Union (Imperial Valley ed.). p. B1. OCLC 13155544.
Ruane, Richard (February 21, 1971). "1,200 Miles of County's Roads Paved". The San Diego Union (Imperial Valley ed.). p. B1. OCLC 13155544.
Staff (May 18, 1971). "Final Work Being Done On Freeway". The San Diego Union (Imperial Valley ed.). p. B1. OCLC 13155544.
MacMillan, Doug (April 29, 1971). "Interstate 8 Link To Open Near Holtville Next Month". The San Diego Union (Imperial Valley ed.). p. B1. OCLC 13155544.
"El Centro Firm's Bid Low For Inspection Station". The San Diego Union (Imperial Valley ed.). September 18, 1970. p. B1. OCLC 13155544.
Staff (December 15, 1971). "Vegetable Shipments Up". The San Diego Union (Imperial Valley ed.). p. B1. OCLC 13155544.
Staff (June 19, 1975). "State Orders Halt In New Road Projects". The San Diego Union. p. B1. OCLC 13155544.
"$14.9 Million Road Project Awarded to Daley Corp". The San Diego Union. October 4, 1975. p. B5. OCLC 13155544.
"Yuma I-8 Bridge Opens". The San Diego Union. September 21, 1978. p. B4. OCLC 13155544.
Clance, Homer (February 14, 1977). "Bompensiero Move Into Top Mafia Post Here in 1960". The San Diego Union. pp. B1, B4. OCLC 13155544.
Houston, Paul (August 18, 1966). "Ex-Convict Seized in Conspiracy Case". Los Angeles Times. p. 3. OCLC 3638237.
Houston, Paul (August 26, 1966). "Long-Burning Wage Dispute Flares Anew in Trucking Fraud Case". Los Angeles Times. pp. A1, A3. OCLC 3638237.
Staff (October 12, 1966). "Report Clearing Erreca Just Whitewash, Accuser Charges". Los Angeles Times. p. 3. OCLC 3638237.
"FBI Clears Erreca of Interest Conflict". Los Angeles Times. November 4, 1966. p. A8. OCLC 3638237.
Brown, Nettie (December 10, 1967). "Truck Drivers to Get $36,000 in Back Pay". Los Angeles Times. p. B4. OCLC 3638237.
Staff (November 25, 1966). "Supervisors Get Advice on Road Damage Costs". Los Angeles Times. p. 23. OCLC 3638237.
Himaka, Mitch (July 11, 1971). "Court Orders Fratianno To Appear Here". The San Diego Union. p. B1. OCLC 13155544.
"Fratianno Gets Prison Term". The San Diego Union. January 12, 1969. p. B7. OCLC 13155544.
Dillon, Patrick (September 14, 1976). "Imperial Riverside Counties Ruled Storm Disaster Areas". The San Diego Union. p. A1. OCLC 13155544.
"Storm-Damaged Freeway Reopens". The San Diego Union. February 18, 1978. p. B1. OCLC 13155544.
Weber, Dick (December 10, 1982). "Rainstorm Floods and Blocks I-8 Near Ocotillo". The San Diego Union. p. A1. OCLC 13155544.
Trimble (2004), pp. 399–340. Trimble, Marshall (2004). Roadside History of Arizona (2nd ed.). Missoula, Montana: Mountain Press Publishing Company. ISBN 978-0-87842-471-9. OCLC 12945147.
"SD Aid Sought to Win Funds for Improving Route to City". The San Diego Union (Imperial Valley ed.). April 1, 1934. p. A1. OCLC 13155544.
Trimble (2004), p. 154. Trimble, Marshall (2004). Roadside History of Arizona (2nd ed.). Missoula, Montana: Mountain Press Publishing Company. ISBN 978-0-87842-471-9. OCLC 12945147.
"Group to Mark SD Shortcuts". The San Diego Union. August 26, 1952. p. A6. OCLC 13155544.
Mauntz, Ted (November 20, 1958). "Motel Men Seem to Prefer Fenced-Off Road Through City". Casa Grande Dispatch. p. 1. OCLC 16877473.
"Yuma Motel Owners Urge Different Route". The Yuma Daily Sun. December 3, 1961. p. 16. OCLC 11279925.
"Interstate 8 Appears Set for One of Two Routes". The Yuma Daily Sun. January 4, 1962. p. 1. OCLC 11279925.
"Highway Dept. Plans Traffic Study Here". The Yuma Daily Sun. September 5, 1962. p. 1. OCLC 11279925.
Grounds, Lucy (January 10, 1964). "Yuma Mesa Merchants Protest to County About Bypass". The Arizona Republic. Phoenix. p. 17. OCLC 2609778.
"Shrewd Planning Used to Revitalize Yuma". The Arizona Republic. July 3, 1966. p. A17. OCLC 2609778.
Cole, Ben (May 8, 1963). "Officials Claim Shock at Road Test Fakes". The Arizona Republic. Phoenix. p. 1. OCLC 2609778.
"House Unit Lambastes Arizona Road Building". Los Angeles Times. June 20, 1964. p. 8. OCLC 3638237.
"Arizonans May Use Freeways Long Before Interstate System Complete". The Arizona Republic. June 28, 1964. p. 16A. OCLC 2609778.
"$1.5 Million Interstate 8 Job Let For 5.7 Miles near Araby Road". The Yuma Daily Sun. January 16, 1966. OCLC 112799251.
"Yuma Will Have I-8 Freeway by 1969". The Yuma Daily Sun. February 23, 1967. p. 6. OCLC 11279925.
"Highway Chief Promises to Reconsider Access". Casa Grande Dispatch. June 4, 1967. p. 1. OCLC 16877473.
"Traffic Starts Today on I-8 Eastbound Lane". Casa Grande Dispatch. June 15, 1970. p. 1. OCLC 16877473.
O'Neill, Don (August 18, 1968). "Yuma Motel People Know about Hwy. 80 Traffic Drop". The Yuma Daily Sun. p. 3. OCLC 11279925.
"Yuma Chamber Plans To Gather Tourists from Interstate 8 Bypass". The Yuma Daily Sun. December 4, 1968. p. 1. OCLC 11279925.
"Bids To Be Called For Final I-8 Link". Casa Grande Dispatch. January 20, 1969. p. 1. OCLC 16877473.
"Yuma Construction Totals $12 Million". The Yuma Daily Sun. November 23, 1969. p. 5. OCLC 11279925.
Kramer, Donovan Jr. (June 17, 1970). "Businessmen Have Mixed Views on Opening of Interstate 8". Casa Grande Dispatch. p. 1. OCLC 16877473.
"Interstate 8 Section Opens Wednesday at 10". The Yuma Daily Sun. June 6, 1972. p. 1. OCLC 15337492.
"Gila Bend I-8 Link Gets OK". Tucson Daily Citizen. August 26, 1972. p. 6. OCLC 15304868.
Staff (June 27, 1972). "11 Major Sign Changes Promised on Interstate 8". The Yuma Daily Sun. p. 1. OCLC 15337492.
Battin, John (October 2, 1970). "I-8 Bridge and Water Works Are on Collision Course Here". The Yuma Daily Sun. p. 1. OCLC 15337492.
Bush, Ernie (January 1, 1976). "Downtown Busy With Construction". The Yuma Daily Sun. p. 14. OCLC 15337492.

Interstate 8 (English Wikipedia)

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search.worldcat.org

acme.com (Global: low place; English: 8,475^th place)

azcentral.com (Global: 1,030^th place; English: 521^st place)

azdot.gov (Global: low place; English: 8,806^th place)

azlibrary.gov (Global: low place; English: 6,229^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

ca.gov (Global: 352^nd place; English: 167^th place)

commons.wikimedia.org (Global: 484^th place; English: 698^th place)

davidrumsey.com (Global: low place; English: 7,147^th place)

dot.gov (Global: 1,620^th place; English: 841^st place)

google.com (Global: 109^th place; English: 87^th place)

maps.google.com (Global: 1,506^th place; English: 896^th place)

measuringworth.com (Global: 3,470^th place; English: 1,768^th place)

nationalmap.gov (Global: 102^nd place; English: 67^th place)

newspapers.com (Global: 24^th place; English: 12^th place)

nps.gov (Global: 79^th place; English: 40^th place)

sportsbusinessjournal.com (Global: 4,169^th place; English: 2,070^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 4^th place; English: 4^th place)