1. Buildings, trees, poles, etc., located near curves must have a sufficient distance from the right of way to clear the boiler swing of articulated locomotives.

2. Multiple track centers on curves must be sufficient to allow articulated locomotives traveling in either direction to clear trains on adjacent tracks.

3. Tunnel portals on curves must be sufficiently wide to clear an articulated locomotive boiler swing to the outside and 85 foot car overhang to the inside of the curve.

4. Vertical clearances are to be to the NMRA Standards gauge.

NMRA Standards - Clearances S-7
NMRA Standards - Standards Gauge RP-2

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Last  update: 10Jul00