The Haldex Trailer Roll Stability (TRS) System helps control trailer speeds by constantly monitoring the trailer's movements. FleetPlus is a PC-based program used as an operations management tool that allows the fleet to compile and evaluate braking information that can be used to reduce maintenance costs and promote driver safety. It records all trailer brake actuations, including ABS and roll stability events, and allows the fleet to read EC inputs and display the data in easy-to-read histograms graphs and other formats. The data report includes: number and duration of brake applications, peak brake demand pressure and a complete vehicle profile for the last 32 rollover events avoided.