Template:Railway lines opened in decade category header

Railway lines (including tramway lines, light rail lines, rapid transit lines, monorails etc.) opened in the decade undefineds, i.e. in the years to.

{{Documentation|content=To create a category of the form "Railway lines opened in the YYY0s", where YYY0s is a 4-digit decade

e.g. Category:Railway lines opened in the 1890s

Usage
No parameters needed