Leba jalua kareta api

Leba jalua kareta api  atau leba trek atau leba sepur  atau jua leba rel  () adolah leba antaro sisi dalam kapalo rel pado leba sepur kareta api. Hampir anam puluah parsen trek kareta api di saluruah dunia manggunokan trek nan lebanyo 1435 mm, nan pado akhianyo disabuik sabagai sepur standar. Lebar trek yang kurang dari itu disebut sebagai sepur sompik () dan nan lobiah leba disabuik sabagai sepur leba ().

Di babarapo nagara ado nan manggunokan leba trek nan babedo sahinggo pado tampek-tampek tatantu paguno tigo rel dalam ciek sepur, sahinggo lintasan dapek dipakai basamoan antaro kareta dangan leba sepur nan ketek dan leba sepur nan godang.

Rujuakan

Pautan lua

  A history of track gauge  by George W. Hilton (tidak lagi berfungsi)
  — A list of railway gauges used or being used worldwide, including gauges that are obsolete.
 European Railway Agency: 1520 mm systems  (issues with the participation of 1520/1524 mm gauge countries in the EU rail network)
 The Indian Railways FAQ: Gauges
 The Days they Changed the Gauge in the U.S. South
 The myth that standard gauge derives from the specification for an Imperial Roman war chariot. (Urban Legends Reference Pages)