CFR › Title 49 › Part 220 › §220.30549 CFR §220.305Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkA railroad operating employee must have each personal electronic device turned off with any earpiece removed from the ear—(a)When on a moving train;(b)When any member of the crew is—(1)On the ground, or(2)Riding rolling equipment during a switching operation; or(c)When any railroad employee is assisting in preparation of the train for movement.