This was the circle service of the underground; their train traveled on the "inner rail" to make its rapid journey.

The measurement of the difference in elevation between the outer rail and the inner rail is called cant in most countries.

To compensate for this force, the track is superelevated (the outer rail is raised higher than the inner rail).

The colt was on a clear lead at Saratoga last month when he was spooked by a patch of dirt inside the inner rail.

On curves the outer rail may be at a higher level than the inner rail.

Bruce focused on Frontier, who was standing calmly at the pole position, alongside the inner rail.

Once the railways throughout the island have been converted to the Russian gauge (by 2012), the inner rail will be removed.

Jones then positioned himself ten feet off the inner rail and told jockey Eddie Arcaro to ride the horse through that space.

He was off poorly, then bumped with Above Normal at the top of the stretch and hit the inner rail.

He was assigned the sixth stall from the inner rail and was loaded readily into the gate the first time.