“When the time-table is so arranged as to call for speed nearly equal to the full capacity of the engine, it is very obvious that the risks of failure in making time, must be much greater than at reduced rates, and when they do occur, the efforts made to gain time must be correspondingly greater and uncertain. A train whose prescribed rate of speed is thirty miles per hour, having lost five minutes of time, and being required to gain it, in order to meet and pass an opposing train at a station ten miles distant, must necessarily increase its speed to forty miles an hour; and a train whose rate of speed is 40 miles per hour, under similar circumstances, must increase its speed to 60 miles per hour.”

— Daniel McCallum

Source: Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856), p. 42; Cited in: Scientific American April 19, 1856. p. 254 ( online http://books.google.com/books?id=tuw8AQAAIAAJ&pg=PA254#v=onepage&q&f=false); and Vose (1857, p. 429)

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Daniel McCallum25

Canadian engineer and early organizational theorist 1815–1878

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“Collisions between fast and slow trains, moving in the same direction, are prevented by the application of the following rule: The conductor of a slow train will report himself to the Superintendent of Division immediately on arrival at a station where, by the time-table, he should be overtaken by a faster train; and he shall not leave that station until the fast train passes, without special orders from the Superintendent of Division.”

Daniel McCallum (1815–1878) Canadian engineer and early organizational theorist

Source: Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856), p. 45: Cited in: "Railway Engineering in the United States" in The Atlantic Monthly, Volume 02, No. 13, November, 1858. p. 651

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“The passing-place for trains is fixed and determined, with orders positive and defined that neither shall proceed beyond that point until after the arrival of the other; whereas, in the absence of the telegraph, conductors are governed by general rules, and their individual understanding of the same,—which rules are generally to the effect, that, in case of detention, the train arriving first at the regular passing-place shall, after waiting a few moments, proceed cautiously (expecting to meet the other train, which is generally running as much faster, to make up lost time, as the cautious train is slower) until they have met and passed; the one failing to reach the half-way point between stations being required to back,—a dangerous expedient always,—an example of which operation was furnished at the disaster on the Camden and Amboy Railroad near Burlington; the delayed train further being subjected to the same rule in regard to all other trains of the same class it may meet, thus pursuing its hazardous and uncertain progress during the entire trip.”

Daniel McCallum (1815–1878) Canadian engineer and early organizational theorist

Source: Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856), p. 49: Cited in: "Railway Engineering in the United States" in The Atlantic Monthly, Volume 02, No. 13, November, 1858. p. 651-2

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“Hourly reports are received by telegraph, giving the position of all the passenger and the principal freight trains. In all cases where passenger trains are more than ten minutes, or freight trains more than half-an-hour behind time, on their arrival at a station the conductors are required to report the cause to the operator, who transmits the same by telegraph to the General Superintendent; and the information being entered as fast as received, on a convenient tabular form, shows, at a glance, the position and progress of trains, in both directions, on every Division of the Road.”

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