the station was approved as part of the washington county commuter rail project in 2004. construction was to begin in july 2007 but was delayed after issues emerged with its location, specifically the amount of available parking. a compromise was reached and construction began in january 2008. trains serve tualatin station every thirty minutes on weekdays during the morning and evening rush hours. two trimet bus lines: 76–beaverton/tualatin and 97–tualatin–sherwood rd., as well as the tualatin shuttle, also serve the station. tualatin includes a 129-space park and ride lot.