January 29 – Three gasoline-powered trains carrying factory workers crash and explode while approaching Ajikawaguchi Station, Yumesaki Line (Nishinari Line), Osaka, Japan, killing at least 181 people and injuring at least 92.
May 20 – Sixty-six railroads in the United States, in cooperation with the Travelers' Credit Corporation, begin selling railroad tickets, Pullman accommodations and all-expense tours on an installment basis, known as the Travel Credit Plan. Purchases over $50 can be charged.