Gauntlet track or interlaced track (also gantlet track) is an arrangement in which railway tracks run parallel on a single track bed and are interlaced (i.e. overlapped) such that only one pair of rails may be used at a time. Since this requires only slightly more width than a single track, all four rails can be carried on the same crossties/sleepers. Trains run on the discrete pair of rails appropriate to their direction or loading gauge.
The term 'gauntlet' is derived not from gauntlet meaning a type of glove, but from the expression running the gauntlet (originally running the gantlope) which means running between two confining rows of adversaries.[1] In Britain, gauntlet track is usually called interlaced track.
Triple gauntlet track at Kaufungen, Germany. Wider mainline trains go down the centre; narrower trams switch either to the left, or right, to be closer to the relevant platform. Beyond the station, the rails return to single track.
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