8-stud gauge

8-stud gauge railway on Roblox is a track gauge of 8 studs (2.24 meters or approximately 7.3 feet). As of 2022, it is the most widely used gauge on Roblox, being in almost every train game on the platform.

History
In 2009, a group named NXTransit (pronounced Next-Transit) got together to create the 8-stud gauge, which was twice as wide as xLEGOx's (now stravant's) track, which was 4 studs wide.