PolicyBrief
H.R. 6410
119th CongressDec 3rd 2025
Atlantic Coast Shipping Safety Act
IN COMMITTEE

This Act establishes mandatory shipping safety fairways along the Atlantic Coast, based on the Coast Guard's 2024 proposed rule, with a required minimum width taking effect in late 2026.

David Rouzer
R

David Rouzer

Representative

NC-7

LEGISLATION

Atlantic Coast Shipping Safety Act Mandates Minimum Fairway Widths by December 2026

The Atlantic Coast Shipping Safety Act (ACSSA) is essentially a mandate to finalize and enforce a set of safety rules for shipping lanes along the entire Atlantic Coast. This bill tells the Secretary, who oversees the Coast Guard, that they have one year to issue a formal regulation establishing "shipping safety fairways"—think of these as designated, protected highways for big ships—near the shore and further out to sea.

The Mandate: Turning Proposals into Law

This isn't starting from scratch. The ACSSA specifically ties the new regulation to the geographic area covered by a Coast Guard proposal from January 19, 2024. This means the boundaries of the new shipping lanes are already locked in based on that earlier plan. For anyone who uses the Atlantic—from commercial fishermen to offshore wind developers—this means the Coast Guard can’t suddenly redraw the map in a year; they have to stick to the existing proposed footprint.

Minimum Width, Maximum Certainty

One of the biggest practical takeaways from this bill is the rule about width. The new fairways must have a minimum width that is no less than what was proposed in that January 2024 rule. Why does width matter? Because wider fairways mean more room for massive cargo ships to maneuver safely, reducing the risk of collisions and groundings. For the average person, this translates to safer coasts and potentially fewer disruptions to supply chains. If a massive container ship carrying your holiday orders gets stuck, everyone feels it.

However, the bill does create exceptions to this minimum width rule for specific types of lanes: "connector fairways," "cut-across fairways," "cutoff fairways," "Traffic Separation Schemes," and "precautionary areas." These are essentially the off-ramps and intersections of the maritime highway system. Since these areas require ships to slow down or change course, they often don't need the same wide-open space as the main lanes.

The Implementation Timeline

This bill doesn't just demand a regulation; it sets a hard deadline for when the rules actually start applying. The final regulation must take effect on December 31, 2026. This gives the Coast Guard two years to finalize the specific details, publish the rule, and allow the maritime industry to prepare for the changes. For shipping companies and port operators, this fixed date provides essential certainty for long-term planning.

Overall, the Atlantic Coast Shipping Safety Act is a procedural bill with real-world safety implications. It takes a previously proposed safety plan and mandates its implementation, ensuring that the critical Atlantic shipping routes are clearly defined and appropriately sized. While the bill locks in the geographic area and minimum width based on the 2024 proposal—which is good for certainty—it still uses the slightly vague term "minimum appropriate width." This leaves the Secretary a little wiggle room to define what "appropriate" means, as long as it meets the baseline set by the earlier proposal. For those whose livelihoods depend on the Atlantic, this bill means clearer rules and hopefully, fewer accidents.