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Data Profile: Saint Lawrence Seaway Tonnage Information

Saint Lawrence Seaway Tonnage Information
Overview
The Great Lakes Saint Lawrence Seaway System collects annual maritime shipping data for two passages of the Saint Lawrence Seaway-the Lower Saint Lawrence River and the Welland Canal (which connects Lakes Erie and Ontario). Cargo tonnage is available for the following commodities: iron ore, coal, grain, and other cargo. Available data series include 1) tonnage per year by commodity and 2) tonnage through the Lower Saint Lawrence River and the Welland Canal. Visit Saint Lawrence Seaway Tonnage.
Coverage
Data cover the Lower Saint Lawrence River and the Welland Canal.
Availability


First Year	1998
Last Year	2010
Frequency	Annual

Summary Tables

National Transportation Statistics

U.S. Waterborne Freight

Related Links

Maritime Administration Statistics
U.S. Army Corps of Engineers Navigation Data Center


Data Source and Contacts

Data Provider Agency	Great Lakes St. Lawrence Seaway System
Data Provider Office	Tonnage Information
BTS Contact	TranStats Customer Support Phone:(800) 853-1351 Email: answers@dot.gov