Editing Dual gauge (section)

{{Short description|Railway track with more than two rails }}
{{distinguish|Third rail|Guard rail (rail transport)}}
{{Use dmy dates|date=November 2022}}
{{Use Australian English|date=November 2022}} 
{{train topics}}

'''Dual gauge''' [[railroad track]] has three or four rails, allowing vehicles of two [[track gauge]]s to run on it.

Signalling and sidings are more expensive to install on dual gauge tracks than on two single gauge tracks. Dual gauge is used when there is not enough room for two single tracks or when tracks of two different gauges meet in [[marshalling yard]]s or [[train station]]s.