Great Lakes St. Lawrence Seaway Tonnage
The Great Lakes St. Lawrence Seaway’s navigation season generally begins in late March and closes in late December. Opening and closing dates vary from year to year.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "021:00" ] |
| contactPoint |
{ "fn": "Bureau of Transportation Statistics", "@type": "vcard:Contact", "hasEmail": "mailto:bts@dot.gov" } |
| description | The Great Lakes St. Lawrence Seaway’s navigation season generally begins in late March and closes in late December. Opening and closing dates vary from year to year. |
| identifier | https://data.transportation.gov/api/views/m8js-a9a4 |
| issued | 2026-04-27 |
| keyword |
[ "commercial tonnage", "gls", "great lakes-st. lawrence seaway", "seaway", "st. lawrence seaway", "tonnage", "vessel transits", "waterways tonnage" ] |
| landingPage | https://data.transportation.gov/d/m8js-a9a4 |
| license | http://www.usa.gov/publicdomain/label/1.0/ |
| modified | 2026-04-27 |
| programCode |
[ "021:053" ] |
| publisher |
{ "name": "Bureau of Transportation Statistics", "@type": "org:Organization" } |
| theme |
[ "Maritime and Waterways" ] |
| title | Great Lakes St. Lawrence Seaway Tonnage |