Section 190.015 - Directors, election, eligibility, classes, term, powers(1) The stock, property, affairs and business of every railroad corporation shall be managed by directors who shall be chosen by the stockholders from among their number, at the time and place provided by the articles of organization or the bylaws.(2) The trustees shall hold office for the term provided by the articles or bylaws and until their respective successors are chosen. The directors may be divided into 3 classes, each of which shall be composed, as nearly as may be possible, of one-third of the directors. The term of office of the first class shall expire in one year, the 2nd in 2 years, and the 3rd in 3 years. At each annual election thereafter, a number of directors shall be elected for 3 years equal to the number whose term of office shall then expire. All other vacancies shall be filled in accordance with the bylaws.(3) The directors shall choose one of their number president and such other officers as the corporate articles and bylaws require, for the term prescribed by the articles or bylaws. The directors may fill any vacancy in their board, happening after any regular annual election, until the next succeeding election.