4ft 8 1/2 inches
4 foot 8½ inches (1435 mm) is "standard gauge". This is the gauge used by 60% of the railways in the world.
There are a lot of railroad tracks in South America.
There are 7,021 miles of railroad tracks currently in Egypt
Trestles
train tracks or a railroad
Railroad tracks present no problems for a motorcyclist true or false
There was almost 3,00 miles of railroad tracks in 1840.
no
Railroad tracks are made from steel.
made and monitored slopes in railroad tracks.
Did you mean "real world examples of parallel lines"? If so, railroad tracks are a perfect example.
Railroad tracks can cause problems for motorcycles. In some situations if a motorcycle is ridden on the tracks at a crossing it can cause an accident. Motorcycles should cross railroad tracks as perpendicular to the rails as possible to avoid problems.