Track has a tubular steel spine, connected to the inside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below, and outside the running rails.
Gives a very smooth ride, and allows the design of long, fast, and twisted track layouts.
The difference between the Steel Roller Coaster's powered launch and the LIM Launched Roller Coaster's launch is that the train will pass through the station for the Steel Roller Coaster, which is not true of the LIM Launched Coaster's train. Another difference is that Steel Coasters can have a lift hill with chain lift later in the ride while LIM can not have chain lift at all.
The first and second games have different roller coaster train designs.
In Real Life
The Looping Coaster closely resembles the coasters designed by Schwarzkopf and Hopkins. This track type is also useful for making shuttle roller coasters like the popular Shuttle Loop model manufactured by Schwarkopf.