Question

What was "standard gauge"?

Standard gauge was the name for the 4 feet, 8½ inches between the inner sides of the rails, the track gauge used for the transcontinental and all major connecting railroads.

Standard gauge was the name for the 8 feet, 4½ inches between the inner sides of the rails, the track gauge used for the transcontinental and all major connecting railroads.

Standard gauge was the name for the 8 feet, 8½ inches between the inner sides of the rails, the track gauge used for the transcontinental and all major connecting railroads.

Standard gauge was the name for the 4 feet, 4½ inches between the inner sides of the rails, the track gauge used for the transcontinental and all major connecting railroads.

Answer 1

Standard gauge was the name for the 4 feet, 8½ inches between the inner sides of the rails, the track gauge used for the transcontinental and all major connecting railroads.