“No state shall, without the consent of Congress, lay any imposts or duties on imports or exports,...”
And that’s why it’s in the Constitution.
The United States are a free trade zone by design.
Every damn principality in Europe had a customs office on every road in and out of their rotten little fiefdoms. It was said you could not sail down the Rhine without getting dunned every few miles. It was shakedown town.
It leads to restraint of trade and freedom of movement. That’s why it was Constitutionally prohibited.
It seems unlikely that putting up toll booths at boarder crossings would pass muster if the roadways are substantially funded by the feds. There are exceptions to tolling when the feds don't cover the cost of maintaining bridges and tunnels.