Part of a rack-and-pinion steering system, the rack is a bar parallel to the front axle that moves left or right when the steering wheel is turned, aiming the front wheels in the correct direction.

The Matterhorn Gotthard Railway (MGBahn) and Stadler have unveiled what they claim to be the world's “fastest” rack-and-pinion railway. The new "v+" rack-and-pinion braking system, presented ...

Credit: Stadler. The Matterhorn Gotthard Railway (MGBahn) and Stadler have unveiled what they claim to be the world’s “fastest” rack-and-pinion railway. The new “v+” rack-and-pinion braking system, ...