The Montgomery County Department of Transportation (MCDOT) will host a free, family-friendly, student-led “Safety Day” event from 11 a.m. to 3 p.m. on Saturday, May 10 at the Carver Educational Services Center (CESC) in Rockville. The CESC is located at 850 Hungerford Drive in Rockville. The fair will highlight driver, bike and pedestrian safety with interactive and educational experiences including safety demonstrations, games and hands-on activities for all ages.