A library of information related to model train control.
Locomotive Model Plans
Carton Built Models
Laser Cut Models
A lot on DCC and ways to use it. And then there is more on wiring and accessory control.
To the right (at the bottom of this page if you are using a mobile device ) there is a menu listing the information in this library.
This site is continually updated, so do bookmark it and stop back every now and then.