noun.
An early type of railway that used flanged rails rather than flanged wheels.
noun.
The gap in road surfaces, running rails at rails at junctions, etc, that allows the wheel flange of a rail vehicle to pass.
Word Usage
"Soon the coroner, Michael Baker QC, will be helping the jury understand the "flangeway gap", which is what a train needs at junctions if its direction isn't to be fatally confused."