Picking the Best Model Railroad Roadbed for Your Layout
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Tips for Creating Realistic Roadbed
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The Mt. Washington Cog Railway Civil engineers calculate the slope of roadbed as the ratio of the distance it rises or falls to the distance it runs horizontally. They call this ratio the grade of the roadbed, usually written as a percentage. Along the coast, commercial railroad grades are usually less than 2% . In the mountains, they may go as high as 4% . Highway grades are usually less than 5% . | Numerade
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