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Line 25:
Line 25: − + − − In the US and Canada, Sleepers are normally called 'Ties'.
→Sleepers: Already mentioned, but mentioning again is fair, but do it in the same style.
== Sleepers ==
== Sleepers ==
Sleepers are the transverse members that support the rails, and hold the rails to the correct gauge. Traditionally, sleepers have been cut from wood, but reinforced concrete sleepers are in widespread use today, and steel and plastic sleepers have also been tried.
Sleepers (U.S. and Canada: ''ties'') are the transverse members that support the rails, and hold the rails to the correct gauge. Traditionally, sleepers have been cut from wood, but reinforced concrete sleepers are in widespread use today, and steel and plastic sleepers have also been tried.
Sometimes, particularly with tram lines, the rails are supported directly on a concrete slab or other firm foundation, and metal rods connect the two rails together to hold them to the correct gauge.
Sometimes, particularly with tram lines, the rails are supported directly on a concrete slab or other firm foundation, and metal rods connect the two rails together to hold them to the correct gauge.
== Ballast ==
== Ballast ==