South Dundas is linked to urban hubs by three major highways:
It is also centrally located between two international bridges in Cornwall, Ontario and Johnstown, Ontario, both of which are within a 30 minute drive of South Dundas.
South Dundas is served by the main Canadian National Railway (CNR) lines, which provides access to over 75% of the U.S. population and all major Canadian markets. An active rail spur is also situated in the Morrisburg Business Park.
Located on the shores of the St. Lawrence River and home of the St. Lawrence Seaway, South Dundas has a private port. Universal Terminals offers a full seaway draft dock, adequate turning basin and easy access to Highway 401.
South Dundas has two airports to provide the ease of flying for small personal aircraft. The Morrisburg and Iroquois Municipal Airports are both located just off of County Road 2.
Commuting from South Dundas to surrounding cities such as Brockville, Cornwall, Ottawa and even Kingston is made easy by proximity and major highways. For additional convenience, Evans Bus Lines provides a daily commuter service from South Dundas to Ottawa on Route 540 & Route 541.