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    • Great Lakes St. Lawrence Seaway - U.S. Sector Reliability Rate

    Metadata Updated: February 25, 2026

    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.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: us-pd

    Downloads & Resources

    Dates

    Metadata Created Date February 25, 2026
    Metadata Updated Date February 25, 2026

    Metadata Source

    Harvested from DOT Socrata Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 25, 2026
    Metadata Updated Date February 25, 2026
    Publisher Bureau of Transportation Statistics
    Maintainer
    Identifier https://data.transportation.gov/api/views/6it8-mz4h
    Data First Published 2026-02-24
    Data Last Modified 2026-02-24
    Category Maritime and Waterways
    Public Access Level public
    Bureau Code 021:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.transportation.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 215ed056-51d3-4593-9eac-c3285b55bcc0
    Harvest Source Id a776e4b7-8221-443c-85ed-c5ee5db0c360
    Harvest Source Title DOT Socrata Data.json
    Homepage URL https://data.transportation.gov/d/6it8-mz4h
    License http://www.usa.gov/publicdomain/label/1.0/
    Program Code 021:053
    Source Datajson Identifier True
    Source Hash 796cb0e024bae5c1acee760715dfa2b34cbdb2cd3cfe0b10b29e8b2b2ed570b5
    Source Schema Version 1.1

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