Patent ID: 7150243

Claim:
A rail system for a racetrack, comprising: a fixed inner rail; a fixed outer rail; and an adjustable intermediate rail, including a plurality of support spikes, a plurality of posts fitted over said support spikes, each said post including a lower portion that is adapted to be fit over one of said support spikes and an upper inclined portion, and a plurality of rail sections interposed between and connected to said posts, wherein, in a first orientation, said intermediate rail defines a course between itself and the fixed inner rail with the upper inclined portion of each post extending over the course, and, in a second orientation, said intermediate rail defines a course between itself and the fixed outer rail with the upper inclined portion of each post extending over the course; and wherein said adjustable intermediate rail is transitioned from the first orientation to the second orientation by removing the rail sections interposed between and connected to said posts, turning each approximately 180°, and reconnecting the rail sections between the respective posts.