327G.23  Grade crossings.
  The department shall have jurisdiction over all crossings at grade of railways within the state. Upon the application of any railway or upon its own motion, the said department may require the trains of any railway to stop at any crossing of such railway tracks at grade or said department may make such rules in relation to speed or other methods of operation at such grade crossings as in its judgment are necessary to protect the public safety.
[C24, 27, 31, 35, 39, §8028; C46, 50, 54, 58, 62, 66, 71, 73, 75, §478.29; C77, 79, 81, §327G.23]