Rep. Tom Reed has a point: Gov. Andrew Cuomo may indeed be breaking the law by blocking repairs to a miles-long stretch of the Thruway in his spat with the Seneca Nation.

After all, that section of highway running through the Senecas’ Cattaraugus Reservation is also a federal route, I-90 — and the state, in exchange for federal highway funding, is supposed to . . . maintain federal highways.

In lieu of repairs to the crumbling roadway, officials have already cut the speed limit to 45 mph and posted “rough road” signs.

The gov claims that sending in repair crews could violate New York’s compact with the tribe, but a Seneca Nation spokesman told Buffalo’s WGRZ the stall on fixing I-90 is “political retribution” for the tribe’s refusal to fork over casino revenue to Buffalo, Niagara Falls and Salamanca.

Indeed, Cuomo himself has tied the highway issue to “the tens of millions of dollars that are in dispute.” Yes, he suggests it’s the Senecas blocking the repairs, but tribal leaders note that they’ve long OK’d resolutions allowing maintenance on the stretch, and both the Thruway Authority and Lt. Gov. Kathy Hochul said just this month that the state is working with Seneca Nation to repair the deteriorating road.

The gov is likely right on the larger issue: It takes an imaginative reading of the revenue-sharing deal to argue that the tribe no longer needs to pay, and the Senecas lost an arbitration ruling over the $225 million the state says they owe. But they refuse to pay while they try a federal suit.

Then, too, some Senecas have proven all too willing to play hardball themselves in the past. Cuomo surely recalls how members of the tribe humiliated then-Gov. George Pataki by illegally closing the highway in a past revenue dispute.

All that said, Reed is clearly on solid ground: It’s just wrong to endanger the public, Seneca and non-Seneca, by leaving I-90 to rot.

Motorists across New York are already facing steep toll hikes thanks to Cuomo’s policies; the gov shouldn’t be holding them hostage in another dispute, too.