. Annual report of the Railroad and Warehouse Commission of the State of Illinois . danger through negligence, and rather than sufferthis penalty, a great number of such cases are reported as failures,so that the actual number of failures is probably very much less per day. Between December 1, 1898, and December 1, 1899, there have beenissued by the Commission fourteen (14) permits authorizing theoperation of new interlocking devices and twenty-six (26) permitscovering renewals, changes and additions to existing interlockingsystems, making a total of forty (40) permits in all. During t
. Annual report of the Railroad and Warehouse Commission of the State of Illinois . danger through negligence, and rather than sufferthis penalty, a great number of such cases are reported as failures,so that the actual number of failures is probably very much less per day. Between December 1, 1898, and December 1, 1899, there have beenissued by the Commission fourteen (14) permits authorizing theoperation of new interlocking devices and twenty-six (26) permitscovering renewals, changes and additions to existing interlockingsystems, making a total of forty (40) permits in all. During thesame time there has been approved in this office forty-nine (49) plansfor new interlocking devices and thirty-three (33) plans coveringrenewals, changes and additions to existing plants, or a total ofeighty-two (82) in all. Many of the more important lines have hada great deal of work under contract for the construction of inter-locking devices at crossings, but owing to the inability of the con-tractors to do the work, the majority of it will not be completed untilnext On or about January 1, 1899, the Union Switch and Signal Com-pany, of Swissdale, Pa., which has erected a majority of the inter-locking systems in this State, absorbed the National Switch andSignalCompaay, since which time there has practicably been butthree contractors in the field who erect interlocking devices, namely:The Union Switch and Signal Company, and the Standard RailroadSignal Company, who erect mechanical devices, and the Rowell-Potter Safety Stop Company, designers of both mechanical andautomatic devices, all of whom have been doing excellent work. The erection of the automatic interlocking device at Hawley. con-structed by the Rowell-Potter Safety Stop Company, where the maintrack of the St. Louis, Peoria & Northern Ry Company is providedwith safety stops, and the two spur tracks of the Peoria, Decatur _&Evansville Ry Company, which cross it, are provided with derailswhich are moved autom
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