Interstate 8

Interstate Highway in California and Arizona in the United States
Place road Q19193
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Interstate 8

Summary

Interstate 8 is a road[1]. It ranks in the top 1% of road entities by monthly Wikipedia readership (200 views/month).[2]

Key Facts

  • Interstate 8 is located in San Diego County[3].
  • Interstate 8 is located in Imperial County[4].
  • Interstate 8 is located in Yuma County[5].
  • Interstate 8 is located in Maricopa County[6].
  • Interstate 8 is located in Pinal County[7].
  • Interstate 8 is in the country of United States[8].
  • Interstate 8's traffic sign is recorded as I-8.svg[9].
  • Interstate 8's route map is recorded as I-8 map.svg[10].
  • Interstate 8's transport network is recorded as Interstate Highway System[11].
  • Interstate 8's transport network is recorded as state highways in California[12].
  • Interstate 8's transport network is recorded as numbered highways in Arizona[13].
  • Interstate 8's image is recorded as San Diego Trolley over Interstate 8.jpg[14].
  • Interstate 8's instance of is recorded as road[15].
  • Interstate 8's maintained by is recorded as Arizona Department of Transportation[16].
  • Interstate 8's maintained by is recorded as California Department of Transportation[17].
  • Interstate 8's owned by is recorded as Arizona Department of Transportation[18].
  • Interstate 8's owned by is recorded as California Department of Transportation[19].
  • Interstate 8's Library of Congress authority ID is recorded as sh2012004328[20].
  • Interstate 8's Commons category is recorded as Interstate 8[21].
  • Interstate 8's OpenStreetMap relation ID is recorded as 2333371[22].
  • Interstate 8's Structurae structure ID is recorded as 10000713[23].
  • Interstate 8's terminus is recorded as Interstate 5 in California[24].
  • Interstate 8's terminus is recorded as Interstate 10 in Arizona[25].
  • +1964-00-00T00:00:00Z marks the founding of Interstate 8[26].
  • Interstate 8's start time is recorded as +1964-01-01T00:00:00Z[27].

Body

Geography

Interstate 8 is in the country of United States[8]. Located in include San Diego County[3], a county of California[28], in United States[29], founded in 1850[30], headquartered in San Diego[31]; Imperial County[4], a county of California[32], in United States[33], founded in 1907[34]; Yuma County[5], a county of Arizona[35], in United States[36], founded in 1864[37]; Maricopa County[6], a county of Arizona[38], in United States[39], founded in 1871[40], headquartered in Phoenix[41]; and Pinal County[7], a county of Arizona[42], in United States[43], founded in 1875[44].

Physical Characteristics

Interstate 8's length is recorded as {'unit': 'Q253276', 'amount': '+350.34'}[45].

Designation and Status

Interstate 8's instance of is recorded as road[15].

History and Context

+1964-00-00T00:00:00Z marks the founding of Interstate 8[26]. Owners include Arizona Department of Transportation[18], a state department of transportation of the United States[46], in United States[47], founded in 1974[48], headquartered in Phoenix[49] and California Department of Transportation[19], a state department of transportation of the United States[50], in United States[51], founded in 1972[52], headquartered in Sacramento[53].

Why It Matters

Interstate 8 ranks in the top 1% of road entities by monthly Wikipedia readership (200 views/month).[2] It has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[54] It is known by 30 alternative names across languages and contexts.[55]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [9] . wikidata.org.
  2. [10] . wikidata.org.
  3. [11] . wikidata.org.
  4. [12] . wikidata.org.
  5. [13] . wikidata.org.
  6. [8] . wikidata.org.
  7. [14] . wikidata.org.
  8. [15] . wikidata.org.
  9. [16] . wikidata.org.
  10. [17] . wikidata.org.
  11. [18] . wikidata.org.
  12. [19] . wikidata.org.
  13. [3] . wikidata.org.
  14. [4] . wikidata.org.
  15. [5] . wikidata.org.
  16. [6] . wikidata.org.
  17. [7] . wikidata.org.
  18. [20] . github.com. Retrieved . github.com. Provenance: wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.
  26. [45] . dot.ca.gov. dot.ca.gov. Provenance: wikidata.org.

Inline context (facts about related entities)

  1. [46] . Wikidata. wikidata.org. → on this site
  2. [47] . Wikidata. wikidata.org. → on this site
  3. [48] . Wikidata. wikidata.org. → on this site
  4. [49] . Wikidata. wikidata.org. → on this site
  5. [50] . Wikidata. wikidata.org. → on this site
  6. [51] . Wikidata. wikidata.org. → on this site
  7. [52] . Wikidata. wikidata.org. → on this site
  8. [53] . Wikidata. wikidata.org. → on this site
  9. [28] . Wikidata. wikidata.org. → on this site
  10. [29] . Wikidata. wikidata.org. → on this site
  11. [30] . Wikidata. wikidata.org. → on this site
  12. [31] . Wikidata. wikidata.org. → on this site
  13. [32] . Wikidata. wikidata.org. → on this site
  14. [33] . Wikidata. wikidata.org. → on this site
  15. [34] . Wikidata. wikidata.org. → on this site
  16. [35] . Wikidata. wikidata.org. → on this site
  17. [36] . Wikidata. wikidata.org. → on this site
  18. [37] . Wikidata. wikidata.org. → on this site
  19. [38] . Wikidata. wikidata.org. → on this site
  20. [39] . Wikidata. wikidata.org. → on this site
  21. [40] . Wikidata. wikidata.org. → on this site
  22. [41] . Wikidata. wikidata.org. → on this site
  23. [42] . Wikidata. wikidata.org. → on this site
  24. [43] . Wikidata. wikidata.org. → on this site
  25. [44] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [54] . Wikidata sitelinks. wikidata.org.
  3. [55] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Interstate 8. Retrieved May 3, 2026, from https://4ort.xyz/entity/interstate-8
MLA “Interstate 8.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/interstate-8.
BibTeX @misc{4ortxyz_interstate-8_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Interstate 8}}, year = {2026}, url = {https://4ort.xyz/entity/interstate-8}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Interstate 8 — https://4ort.xyz/entity/interstate-8 (retrieved 2026-05-03)

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