Royersford Modular Model Railroaders

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RMMR Modular Standards

TRACK HEIGHT
(FLOOR
TO TOP
OF RAIL)
RAIL
CODE
TRACK
CLEARANCE
HORIZ.
&
VERT.
TRACK
CENTERLINE
TO
MODULE
FACE
TRACKS
SETBACK
FROM
MODULE
ENDS
TRACK
SPACING
CENTER
LINE
TO
CENTER
LINE
(STRAIGHT)
TRACK
SPACING
CENTER
LINE
TO
CENTER
LINE
(CURVED)
TRACK
SWITCHES
BUSS
WIRE
GAUGE &
AND
COLORS
MAIN 1 40" 100 1-1/32"
Horiz.
3"
Vert.
minimum
5" 4.5" 2.0" 2.5" #6 or larger 12-16
gauge
RED
MAIN 2 100 1-1/32"
Horiz.
3"
Vert.
minimum
7" 4.5" 2.0" 2.5" #6 or larger 12-16
gauge
YELLOW
or
ORANGE
MAIN 3
(if used)
100 1-1/32"
Horiz.
3"
Vert.
minimum
9" 4.5" 2.0" 2.5" #6 or larger 12-16
gauge
BLUE
OTHER
TRACKS
MAY
VARY
MMAY
VARY
MAY
VARY
MAY
VARY
1.5" or 4.5"" MAY
VARY
MAY VARY #4
or
larger
12-16
gauge
OTHER


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MISCELLANEOUS


The standards on this sheet are those used by Royersford Modular Model Railroads, and while they are similar to, and generally compatible with, the N.M.R.A. modular standards, they are not identical.
You may print this page, and use these standards if you wish, but only you can determine if they are suitable for your needs or the needs of your group.
If you wish to follow the N.M.R.A. standards, please obtain a copy of those standards from the National Model Railroad Association

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This web site developed and managed by:
Frederick Monsimer