. Electric railway journal . Key Route Signals—Diagram of Signal Locations gaged the General Railway Signal Company, Rochester, N. Y.,to study the situation and prepare plans for a suitable schemeof signaling. At the completion of the preliminary engineeringwork a contract was given to this company for the installationwhich is here described. As a part of the study of the operatingconditions of the road, careful tests were made of the speedat various points and the braking distance and consideration the motor-generator sets deliver 1100-volt, 25-cycle alternatingcurrent to the signal transmiss
. Electric railway journal . Key Route Signals—Diagram of Signal Locations gaged the General Railway Signal Company, Rochester, N. Y.,to study the situation and prepare plans for a suitable schemeof signaling. At the completion of the preliminary engineeringwork a contract was given to this company for the installationwhich is here described. As a part of the study of the operatingconditions of the road, careful tests were made of the speedat various points and the braking distance and consideration the motor-generator sets deliver 1100-volt, 25-cycle alternatingcurrent to the signal transmission line. The entire system, con-sisting of 75 signals with their controlling track circuits, etc.,requires for its operation about 10 kw. The signals user are three-position upper-quadrant sema-phores spaced to permit a headway of 45 seconds at the speedsencountered on the various parts of the line. In this connec- 664 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVII. No. 15. tion it might be stated that trains running from the pie
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