143. (1) The cars, carriages or trains shall be started and run at regular hours, to be fixed by public notice, and shall furnish sufficient accommodation for the transportation of all such passengers, and all of such goods as, within a reasonable time previous thereto, offer themselves or are offered for transportation, at the place of starting, and at the junctions of other railways, and the usual stopping-places established for receiving and discharging way passengers and goods from the trains.
(2) In every train containing more than one second-class car for the transportation of passengers, there shall be one second-class car in which smoking shall be prohibited, and when a train contains only one second-class car for the transportation of passengers, a part of such car shall be divided off, in which smoking shall be prohibited.