Move More on M-65.

The Tennessee-Tombigbee Waterway anchors Marine Highway M-65, an inland corridor of over 1,300 miles connecting five river systems across four states, delivering reliable, cost-effective access from the heartland to the Gulf and global markets.

Explore the Corridor Map How will you move more?

The economics of water freight are simply different.

One 8-barge tow carries what about 560 trucks carry.

Ton-miles per gallon of fuel

Barge: 675
Rail: 472
Truck: 151

More than four times more efficient than highway transport.

30–50%: Lower transportation costs vs. trucking
89%: Fewer CO₂ emissions per ton-mile, for sustainable supply chains
1:1,145: Barge-to-truck injury ratio

Source: National Waterways Foundation / Texas A&M Transportation Institute, A Modal Comparison of Domestic Freight Transportation Effects on the General Public: 2001–2019 (January 2022).

How will you move more?

Ship More

Shippers · Ports · Logistics

Lower transportation costs with predictable transit, direct Gulf access, and proven freight efficiency: 30–50% savings vs. trucking.

A towboat pushes a line of barges through a forested, red-banked bend of the Tennessee-Tombigbee Waterway.

Develop More

Site Selectors · EDOs · Industry

Secure a competitive edge with waterway-connected sites and multimodal infrastructure.

Aerial view of the Lowndes County port facility beside the waterway, with rail spurs, storage tanks and industrial buildings.

Explore More

Boaters · Anglers · Great Loopers

Discover boating, fishing, marinas, and vibrant waterfront communities, with free recreational lockage on America's Great Loop.

Two boats cruise a calm, tree-lined stretch of the waterway at sunset, the sky reflected pink in the water.

Five waterways. One system. A world to explore.

Explore the Interactive Map

Measurable returns across 116 counties.

$1.2B: Annual income impact across the corridor
$328M: Annual tax revenue: federal, state & local
18,669: Jobs supported by waterway commerce
2.4×: Return on federal investment

Source: Mississippi State University NSPARC, 2025 Tenn-Tom Economic & Social Impact Study. Figures reflect the Tennessee-Tombigbee Waterway, anchoring Marine Highway M-65.

The Tenn-Tom Council

Join industry, public partners, and community leaders supporting the Tennessee-Tombigbee Waterway.

Become a Member Renew Membership

Council membership connects you to the people moving the waterway forward.

First-to-know corridor news, data, and opportunities
Council member recognition at the annual Tenn-Tom Conference, the corridor's premier networking event
A seat at the table with ports, shippers, developers, and policy leaders
Listing in the member directory