Board 2, [2] - The yard board, first board to the left of [1].
Board 3, [3] - The coast board, last board on the left of [1], connected to board [2].
Board 4, [4] - The industry board, first board to the right of [1].
Board 5, [5] - The junction/village board, last board on the right of [1], connected to board [4].
Cross-over section - The section of track which switches power between the mainlines and branch line, and allows controller 4 to move locos from one line to another
Yard section - The yard consists on an engine shed and sidings.
Controller 1, (1) - Controller 1 powers the top/inner main line.
Controller 2, (2) - Controller 2 powers the bottom/outer main line.
Controller 3, (3) - Controller 3 powers the branch line and branch sidings at the main station.
Controller 4, (4) - Controller 4 powers the yard, and when switched can control the station sections of both main lines and the branch line.
Xtrkcad - Xtrkcad is a free cad design tool especially written for design model railways to scale. It is available from http://www.xtrkcad.org.
