US RaceTronics (USRT) is an auto racing team based in Buttonwillow, California, that competes in the Atlantic Championship. It was founded by former Dorricott Racing Team Manager Shane Seneviratne. Seneviratne and the Dorricott Racing organization dominated both the Toyota Atlantic and Indy Lights open wheel series. The team won numerous awards and race wins, including series championships in 1999, 2001, and 2002. Dorricott Racing founder Bob Dorricott died of cancer in 2002 and Seneviratne assisted in the liquidation of the team’s assets after the 2003 season.