December 2025
The December 2025 issue of Model Railroader
Featured
In this Issue
Build a simple Arduino-based DCC system
This 19 x 24-foot HO scale Chesapeake & Ohio layout is set in 1957
This HO scale Layout Design Element is based on a location along the Rutland Ry.
The National Model Railroad Association’s early adoption of standards helped the hobby to grow
Push buttons and indicator lights make it easy to line turnouts and check routes
Also in this issue:
ON TRAINS.COM, pg. 6
The latest features on our website
FROM THE EDITOR, pg. 8
Using our modeling to inspire memories
NEWS AND REVIEWS, pg. 10
Hobby industry news
ASK MR, pg. 18
What’s in a paint scheme?
RAILWAY POST OFFICE, pg. 22
Letters from our readers
STEP BY STEP, pg. 24
Model a Bulldog Mack truck in O scale
PROTOTYPE TO MODEL, pg. 60
The end is in sight
ON OPERATION, pg. 61
Markers
TRACKSIDE PHOTOS, pg. 62
INDEX OF ADVERTISERS AND CARTOON pg. 73
TRAINS OF THOUGHT, pg. 74
Who needs a train?
