If from the failure of telegraph line or other cause a signalman be unable to communicate with the next block station in advance, he must stop every train approaching in that direction. Should no cause for detaining the train be known, it may then be permitted to proceed, provided ten minutes have elapsed since the passage of the last preceding train, using caution card. 14. Trains moving on caution card must do so with great care. As block is not clear enginemen must be prepared to stop within their vision. 15. Trains moving on caution card must expect to find main track occupied at all stations regardless of the position of block signal. 16. Agents are required to see that cars are properly loaded, to obtain, if possible, the maximum capacity, and not permit an overload to exceed 10 per cent of marked capacity. It is important that the load be distributed evenly, securely staked, and that no projections extend over the ends of cars. 17. Freight, baggage, and other articles must not be allowed to stand on the depot platforms where they might cause accident or inconvenience to passengers or employees, or receive damage from the weather. United States mail pouches must not be left unprotected upon the platforms or in the waiting-rooms and other exposed places at stations. 18. Agents will see that conductors of freight trains do not block public crossings longer than five minutes. 19. On leaving a station passenger brakeman will pass through the train, from the front to the rear, and when about one-third the length of the car from forward end, with closed doors, will announce in a clear and distinct voice the name of the next station, then proceed to within the same distance from the rear end of the car and make the same announcement. If the train is to stop for meals the brakeman will so state, giving the length of time the train will stop. Conductors of all trains stopping at stations at which lunch counters or eating-houses are located will announce in the lunch or dining room notice of departure of the train in ample time to allow passengers to get aboard before it starts. Upon approaching a station located at or in the vicinity of a railroad crossing, when it is necessary for a train to stop at such crossing, before reaching the crossing brakemen must give warning of the fact by calling out distinctly in each car, "The next stop is for railway crossing, not a station." Junction points, railroad crossings where a stop is made, and terminals will be announced, passengers notified when to change cars, and attention directed to their parcels and other belongings.