| Atlas HO Code 100 with black ties and Code 83 with brown ties, both with nickel silver rail. Precisely engineered angles of intersection to solve most crossing requirements. For double crossovers use the 19 degree crossing with #6 turnouts or the 25 degree crossing with #4. The 19 degree crossings are especially suited for junctions between double-track mainlines. A wide variety of single and double-track wyes and many other arrangements appear in Atlas layout instruction books. |