The official website of the Saint Lawrence Seaway Development Corporation (SLSDC), a U.S. federal agency under the Department of Transportation. The site provides comprehensive information on the Seaway's operations, navigation, and infrastructure, aimed at facilitating maritime trade and transportation in the Great Lakes-St. Lawrence Seaway System.
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5000 / day
2.5 pages per visit
Domain Rating
Domain Authority
Citation Level
English, etc
Provides real-time data on lock statuses, water levels, and weather conditions to assist mariners in safe navigation.
A tool for calculating tolls for vessels transiting the Seaway, based on size, cargo, and other factors.
Latest news, press releases, and updates related to the Seaway's operations and developments.
Educational materials and resources about the Seaway's history, economic impact, and environmental initiatives.
Direct contact details for various departments within the SLSDC for inquiries and assistance.
Access to annual reports detailing the Seaway's financial performance, operational statistics, and future plans.
Comprehensive guidelines and regulations for vessel safety and environmental protection in the Seaway.
Information on current job openings and career opportunities within the SLSDC.
Schedules and timelines for vessel transits through the Seaway's locks and channels.
Details on the Seaway's initiatives and programs aimed at preserving and protecting the aquatic ecosystem.
U.S. Department of Transportation
Washington, D.C., United States
Administrator of the Saint Lawrence Seaway Development Corporation
To ensure the safe, reliable, and efficient movement of people and goods through the Great Lakes-St. Lawrence Seaway System, while fostering economic development and environmental stewardship.
The Seaway supports thousands of jobs and generates billions in economic activity annually by facilitating international trade.
The SLSDC is committed to minimizing the environmental impact of Seaway operations through various conservation and sustainability programs.
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