1. All turnouts shall be equipped with positive electrical contacts for carrying track power through the points.

2. Size by location

     a. NO. 10 minimum - Mainline to mainline.

     b. NO. 8 minimum - Secondary mainline tracks, steam engine facilities, passenger yards, piggyback yards and arrival and departure yards.

     c. NO 6. minimum - Freight yards,diesel engine servicing, and storage yards.

     d. NO. 4 minimum - Industrial switching areas and logging line.

3. When turnouts are constructed using printed circuit board ties, the spaces between these PC ties must be filled in with appropriately colored wood or plastic ties of correct length and spacing. Unsightly gaps of rail support and poor workmanship is to be avoided.

End Turnouts

NMRA Recommended Practices - Turnout Dimensions - HO Scale RP-12.3
NMRA Recommended Practices - Guard Rail & Frog Relationship RP-13.5
NMRA Recommended Practices - Guard Rails RP-13.6
NMRA Recommended Practices - Frog & Wing Rails RP-13.7
NMRA Recommended Practices - Flangway Flares RP-13.8
Prototype Reference - Ties for Turnouts and Crossovers
 

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Last  update: 24Mar01