Pennsylvania Railroad Main-Line Ballast
The Pennsylvania Railroad covered busy northeastern main lines and Appalachian mineral districts. These neutral, regional, and medium-gray choices are practical starting points.
Pennsylvania Railroad Yards and Sidings
Mix older ballast with dirt, cinders, coal, weeds, and spilled materials for a working railroad appearance.
Pennsylvania Railroad Scenery Materials
Build stone cuts, coal country, cities, steel districts, electrified corridors, and dense industrial scenes.
O Scale Rock-Size Reminder
For O scale, a rock product ending in 5 is small, 6 is medium and can also work as a boulder, and 7+ creates larger rock. The special 03 ending is Sand & Gravel and can also be used as rip rap.
Open the Rock Guide →Which Pennsylvania Railroad Route Are You Modeling?
PRR ballast varied by division, track class, traffic level, and era. Main lines, branches, yards, and engine facilities should not all look identical.
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