(Kilometers of toll roads or number of bridges/tunnels)
|Toll roads, (total, kilometers)||290||290||290||1,761||6,338||6,378||7,034||7,002||N|
|Toll bridges (total, number)||14||14||14||31||38||38||146||139||N|
|Toll tunnels (total, number)||1||1||1||0||0||1||9||9||N|
KEY: N = Data are nonexistent.
Intercountry toll bridges between the United States. and Canada and the United States and Mexico have been included in the totals for each country. United States and Canadian data both include 11 international bridges and 1 international tunnel on the Canadian-U.S.border. United States and Mexican data both include 18 international bridges.
Transport Canada. Highway Policy Group. Special Tabulation. (Ottawa, Ont.: 1998).
Secretaría de Comunicaciones y Transportes. Dirección General de Evaluación. Longitud de la Infraestructura Carretera, 1990, 1995 and 1996. (Mexico City, D.F.: various years).
U.S. Department of Transportation. Federal Highway Administration. Toll Facilities in the United States: Bridges, Roads, Tunnels, Ferries. (Washington, DC: various years).