A barrier (orig. of the nature of a turnpike in sense 2, later a gate or gates) placed across a road to stop passage till the toll is paid; a…

a gate across a road at which toll was payable, a turnpike-gate.

a barrier (usually a gate) across a road or bridge, where toll is taken; in Scotland formerly often applied to the toll-collector's house.

In France: a section of autoroute on which toll must be paid; a gate or barrier at which motorists pay the toll.