Type PDX Track Day/Driver School PDX (Performance Driving eXperience) Bring your tuners, street cars and track toys to experience driving on the Shenandoah Circuit. Learn to drive your car safely at the limits of adhesion with an in car instructor. Classroom instruction and friendly atmosphere are included! PDX (Level 1) events are non-competitive by nature and are based on instruction and practice of performance driving and car handling. See; www.wdcr-scca.org/ for additional details