A list of some marine highways across the United States, grouped by region.
EAST
_ New York-Boston: Coastal container service eases I-95 truck traffic.
_ Norfolk, Virginia-Richmond, Virginia: James River container-on-barge service eases I-64 truck traffic.
MIDWEST
_ Detroit-Windsor, Ontario: Truck ferry service eases traffic on I-96, which connects U.S. to Canada.
_ Great Lakes Services: Dry, liquid and general cargoes run between various points on lakes Erie, Superior, Michigan, Ontario and Huron.
WEST
_ Tacoma, Washington-Alaska: Coastal container runs avoid a 2,400-mile (3,862-kilometer) truck route through up Interstate 5 and through Canada, and serve remote communities that are unreachable by road or rail.
SOUTH
_ Houston-Pascagoula, Mississippi: Container service along the Gulf Intracoastal Waterway eases traffic on I-10 and other roads.
_ Port Manatee, Florida-Brownsville, Texas: Container-barge service stops at points across the Gulf Coast.
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Sources: U.S. Maritime Administration, Horizon Lines, Alaska Marine Highway Systems.
