You can't have a railroad without having track.  In our hobby the track has two rails separated by 7.5" and is usually made up of sections (we refer to as track "panels") 10 or 12 feet long. 

Ron and Gary using a jig to drill pilot holes in the ties for screws separated by the proper distance.

Doc and Larry inserting one screw on each side of the tie.

Woody, Rick, Jerry and Don have placed the ties in the panel jig and are adding the second screw on each end of the ties to secure the rails.

A completed panel is stacked and a new one is started.

24 12 foot panels: 48 rails, 624 ties, 2496 screws -> 288 feet of track.  One evening's work for 9 guys ...