Interstate 81

Interstate Highway in the United States
Place road Q94877
Interstate 81
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Interstate 81

Summary

Interstate 81 is a road[1]. It ranks in the top 0.66% of road entities by monthly Wikipedia readership (435 views/month, #53 of 7,994).[2]

Key Facts

  • Interstate 81 is located in Tennessee[3].
  • Interstate 81 is located in Virginia[4].
  • Interstate 81 is located in West Virginia[5].
  • Interstate 81 is located in Maryland[6].
  • Interstate 81 is located in Pennsylvania[7].
  • Interstate 81 is located in New York[8].
  • Interstate 81 is in the country of United States[9].
  • Interstate 81's traffic sign is recorded as I-81.svg[10].
  • Interstate 81's route map is recorded as Interstate 81 map.png[11].
  • Interstate 81's transport network is recorded as Interstate Highway System[12].
  • Interstate 81's image is recorded as Interstate 81.jpg[13].
  • Interstate 81's instance of is recorded as road[14].
  • Interstate 81's maintained by is recorded as Tennessee Department of Transportation[15].
  • Interstate 81's maintained by is recorded as Virginia Department of Transportation[16].
  • Interstate 81's maintained by is recorded as West Virginia Department of Transportation[17].
  • Interstate 81's maintained by is recorded as Maryland Department of Transportation[18].
  • Interstate 81's maintained by is recorded as Pennsylvania Department of Transportation[19].
  • Interstate 81's maintained by is recorded as New York State Department of Transportation[20].
  • Interstate 81's owned by is recorded as Tennessee Department of Transportation[21].
  • Interstate 81's owned by is recorded as Virginia Department of Transportation[22].
  • Interstate 81's owned by is recorded as West Virginia Department of Transportation[23].
  • Interstate 81's owned by is recorded as Maryland Department of Transportation[24].
  • Interstate 81's owned by is recorded as Pennsylvania Department of Transportation[25].
  • Interstate 81's owned by is recorded as New York State Department of Transportation[26].
  • Interstate 81's VIAF cluster ID is recorded as 315130733[27].

Body

Geography

Interstate 81 is in the country of United States[9]. Located in include Tennessee[3], an U.S. state[28], in United States[29], founded in 1796[30]; Virginia[4], an U.S. state[31], in United States[32], founded in 1788[33]; West Virginia[5], an U.S. state[34], in United States[35], founded in 1863[36]; Maryland[6], an U.S. state[37], in United States[38], founded in 1788[39]; Pennsylvania[7], an U.S. state[40], in United States[41], founded in 1787[42]; and New York[8], an U.S. state[43], in United States[44], founded in 1788[45].

Physical Characteristics

Interstate 81's length is recorded as {'unit': 'Q253276', 'amount': '+854.89'}[46].

Designation and Status

Interstate 81's instance of is recorded as road[14].

History and Context

+1957-00-00T00:00:00Z marks the founding of Interstate 81[47]. Owners include Tennessee Department of Transportation[21], a state department of transportation of the United States[48], in United States[49], founded in 1915[50], headquartered in James K. Polk State Office Building[51]; Virginia Department of Transportation[22], a state department of transportation of the United States[52], in United States[53]; West Virginia Department of Transportation[23], a state department of transportation of the United States[54], in United States[55], founded in 1910[56]; Maryland Department of Transportation[24], a state department of transportation of the United States[57], in United States[58], founded in 1971[59], headquartered in Hanover[60]; Pennsylvania Department of Transportation[25], a state department of transportation of the United States[61], in United States[62], founded in 1970[63], headquartered in Harrisburg[64]; and New York State Department of Transportation[26], a state agency of New York[65], in United States[66], founded in 1967[67].

Why It Matters

Interstate 81 ranks in the top 0.66% of road entities by monthly Wikipedia readership (435 views/month, #53 of 7,994).[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[68]

References

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

Direct Wikidata claims

  1. [10] . wikidata.org.
  2. [11] . wikidata.org.
  3. [12] . wikidata.org.
  4. [9] . wikidata.org.
  5. [13] . wikidata.org.
  6. [14] . wikidata.org.
  7. [15] . wikidata.org.
  8. [16] . wikidata.org.
  9. [17] . wikidata.org.
  10. [18] . wikidata.org.
  11. [19] . wikidata.org.
  12. [20] . wikidata.org.
  13. [21] . wikidata.org.
  14. [22] . wikidata.org.
  15. [23] . wikidata.org.
  16. [24] . wikidata.org.
  17. [25] . wikidata.org.
  18. [26] . wikidata.org.
  19. [3] . wikidata.org.
  20. [4] . wikidata.org.
  21. [5] . wikidata.org.
  22. [6] . wikidata.org.
  23. [7] . wikidata.org.
  24. [8] . wikidata.org.
  25. [27] . Virtual International Authority File. Retrieved . wikidata.org.
  26. [47] . wikidata.org.
  27. [46] . wikidata.org.

Inline context (facts about related entities)

  1. [48] . Wikidata. wikidata.org. → on this site
  2. [49] . Wikidata. wikidata.org. → on this site
  3. [50] . Wikidata. wikidata.org. → on this site
  4. [51] . Wikidata. wikidata.org. → on this site
  5. [52] . Wikidata. wikidata.org. → on this site
  6. [53] . Wikidata. wikidata.org. → on this site
  7. [54] . Wikidata. wikidata.org. → on this site
  8. [55] . Wikidata. wikidata.org. → on this site
  9. [56] . Wikidata. wikidata.org. → on this site
  10. [57] . Wikidata. wikidata.org. → on this site
  11. [58] . Wikidata. wikidata.org. → on this site
  12. [59] . Wikidata. wikidata.org. → on this site
  13. [60] . Wikidata. wikidata.org. → on this site
  14. [61] . Wikidata. wikidata.org. → on this site
  15. [62] . Wikidata. wikidata.org. → on this site
  16. [63] . Wikidata. wikidata.org. → on this site
  17. [64] . Wikidata. wikidata.org. → on this site
  18. [65] . Wikidata. wikidata.org. → on this site
  19. [66] . Wikidata. wikidata.org. → on this site
  20. [67] . Wikidata. wikidata.org. → on this site
  21. [28] . Wikidata. wikidata.org. → on this site
  22. [29] . Wikidata. wikidata.org. → on this site
  23. [30] . Wikidata. wikidata.org. → on this site
  24. [31] . Wikidata. wikidata.org. → on this site
  25. [32] . Wikidata. wikidata.org. → on this site
  26. [33] . Wikidata. wikidata.org. → on this site
  27. [34] . Wikidata. wikidata.org. → on this site
  28. [35] . Wikidata. wikidata.org. → on this site
  29. [36] . Wikidata. wikidata.org. → on this site
  30. [37] . Wikidata. wikidata.org. → on this site
  31. [38] . Wikidata. wikidata.org. → on this site
  32. [39] . Wikidata. wikidata.org. → on this site
  33. [40] . Wikidata. wikidata.org. → on this site
  34. [41] . Wikidata. wikidata.org. → on this site
  35. [42] . Wikidata. wikidata.org. → on this site
  36. [43] . Wikidata. wikidata.org. → on this site
  37. [44] . Wikidata. wikidata.org. → on this site
  38. [45] . 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. [68] . Wikidata sitelinks. 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 81. Retrieved May 3, 2026, from https://4ort.xyz/entity/interstate-81
MLA “Interstate 81.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/interstate-81.
BibTeX @misc{4ortxyz_interstate-81_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Interstate 81}}, year = {2026}, url = {https://4ort.xyz/entity/interstate-81}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Interstate 81 — https://4ort.xyz/entity/interstate-81 (retrieved 2026-05-03)

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