St. Clair Tunnel

railway tunnel in Michigan and Sarnia, Ontario
Place railway_tunnel Q7587584
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St. Clair Tunnel

Summary

St. Clair Tunnel is a railway tunnel[1].

Key Facts

  • St. Clair Tunnel is located in Sarnia[2].
  • St. Clair Tunnel is located in Port Huron[3].
  • St. Clair Tunnel is in the country of Canada[4].
  • St. Clair Tunnel is in the country of United States[5].
  • St. Clair Tunnel's instance of is recorded as railway tunnel[6].
  • St. Clair Tunnel's instance of is recorded as international tunnel[7].
  • St. Clair Tunnel is operated by Canadian National Railway[8].
  • St. Clair Tunnel's crosses is recorded as St. Clair River[9].
  • St. Clair Tunnel is part of Canada–United States border[10].
  • St. Clair Tunnel's Commons category is recorded as St. Clair River Tunnel[11].
  • 1891 marks the founding of St. Clair Tunnel[12].
  • St. Clair Tunnel's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 42.958333, 'longitude': -82.410556, 'precision': 0.001}[13].
  • St. Clair Tunnel's heritage designation is recorded as National Historic Landmark[14].
  • St. Clair Tunnel's heritage designation is recorded as National Register of Historic Places listed place[15].
  • St. Clair Tunnel's heritage designation is recorded as Historic Civil Engineering Landmark[16].
  • St. Clair Tunnel's date of official closure is recorded as 1994[17].

Body

Geography

Country listings include Canada[4], a dominion of the British Empire[18], in Canada[19], founded in 1867[20] and United States[5], a sovereign state[21], in United States[22], founded in 1776[23]. Located in include Sarnia[2], a city[24], in Canada[25] and Port Huron[3], a city in the United States[26], in United States[27], founded in 1814[28]. St. Clair Tunnel is part of Canada–United States border[10].

Designation and Status

Recorded instance of include railway tunnel[6] and international tunnel[7]. Heritage statuses include National Historic Landmark[14], National Register of Historic Places listed place[15], and Historic Civil Engineering Landmark[16].

History and Context

1891 marks the founding of St. Clair Tunnel[12].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [2] . wikidata.org.
  6. [3] . wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . National Register of Historic Places. wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site
  2. [19] . Wikidata. wikidata.org. → on this site
  3. [20] . Wikidata. wikidata.org. → on this site
  4. [21] . Wikidata. wikidata.org. → on this site
  5. [22] . Wikidata. wikidata.org. → on this site
  6. [23] . Wikidata. wikidata.org. → on this site
  7. [24] . Wikidata. wikidata.org. → on this site
  8. [25] . Wikidata. wikidata.org. → on this site
  9. [26] . Wikidata. wikidata.org. → on this site
  10. [27] . Wikidata. wikidata.org. → on this site
  11. [28] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. 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). St. Clair Tunnel. Retrieved May 3, 2026, from https://4ort.xyz/entity/st-clair-tunnel
MLA “St. Clair Tunnel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/st-clair-tunnel.
BibTeX @misc{4ortxyz_st-clair-tunnel_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{St. Clair Tunnel}}, year = {2026}, url = {https://4ort.xyz/entity/st-clair-tunnel}, note = {Accessed: 2026-05-03}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4w ago · DontCallMeLateForDinner · 2026-06-23 view diff on Wikidata ↗
    Worldcat entities id E39PBJcR9mBmvcpFt4TBW7WVYP
    Viaf cluster id 151201530
    Part of Canada–United States border
    Idref id 204673666
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P2674]]: [[Q7559325]]"
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