This page lists some significant road, rail and water supply tunnels in the USA and Canada. It is far from being a complete list.
Many road tunnels have a toll.
Baltimore, Maryland The Baltimore Harbour road tunnel is an underwater sunken tube. Boston, Massachusetts The Callaghan and Sumner road tunnels connect the area around Logan International Airport to the centre of the city. Chesapeake Bay Bridge-Tunnel, Virginia See separate article . Connaught Tunnel Carries the Canadian Pacific Railway through the northern Selkirk Mountains under Rogers Pass between Revelstoke and Golden in Glacier National Park, British Columbia. Delaware Aqueduct Carries water from the Delaware River Basin to New York City.