2 images. Driver Safety Center, 29 December 1955. Orville Nicola (taking driving test); Ray Leheney (Secretary of White House Conference on Safety); Gene Krueger (Director of Safety Center); O.R. Roberts (District Director for Pacific Intermountain Express).; Caption slip reads: "Photographer: Snow. Date: 1955-12-29. Reporter: Bernstein. Assignment: Driver Safety Center. 1/2: from left: Orville Nicola, (seated) truck driver, who is 50,001st driver to take safety tests at the Driver Safety Center; Ray Leheney, Teamsters Union official and Secretary of White House Conference on Safety; O.R. Roberts, district director for Pacific Intermountain Express; Gene Krueger, director of the Safety Center. (Nicola is shown taking one of the tests at the center testing his reaction time)".