This mod adds useful items and blocks which are imported from some mods Mr.Sayo made. He  created these mods in 1.2.5  , and allows to reuse the contents of these mods in another version. So I transplated RailPlus MOD to 1.7.10 and 1.12.2.  Here is Mr.Sayo's web page.

 

Main Page Of This Mod (Japanese)