Wooden Posts are a cheap construction material used to create many things in RailCraft. This includes, but is not limited to, Signal Mounting Brackets, Telephone Poles, Bridges, Trestles, and Fences.
Wooden Posts will not connect to blocks other than itself.
Wooden Posts are highly flammable; care should be taken not to place them near fire or Lava.
Using a Crowbar will quickly break them and return an item.