San Luis Obispo, CA -- Police at Cal Poly say that nobody was arrested after nearly 750 cars were screened at a sobriety checkpoint conducted from 7 o’clock Friday night through 1 o’clock Saturday morning. About 1,050 cars went through the checkpoint on campus along northbound Grand Avenue in front of the Sierra Madre and Yosemite dormitories. One driver was cited on suspicion of having a fraudulently obtained driver’s license.