Rules, Standards, and Instructions for Installation, Inspection, Maintenance, and Repair of Automatic Block Signal Systems, Interlocking, Traffic Control Systems, Automatic Train Stop, Train Control, and Cab Signal Systems, and Other Similar Appliances, Methods, and SystemsU.S. Government Printing Office, 1966 - 84 pages |
From inside the book
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Page 42
... display the most restrictive aspect , the indication of which shall be not more favorable than " proceed at ... aspect requiring a stop , or its most restrictive aspects , the distance between opposing signals displaying such aspects ...
... display the most restrictive aspect , the indication of which shall be not more favorable than " proceed at ... aspect requiring a stop , or its most restrictive aspects , the distance between opposing signals displaying such aspects ...
Page 45
... displaying aspects which permit conflicting movements except that opposing signals may display an aspect indicating proceed at restricted speed at the same time on a track used for switching movements only , by one train at a time ...
... displaying aspects which permit conflicting movements except that opposing signals may display an aspect indicating proceed at restricted speed at the same time on a track used for switching movements only , by one train at a time ...
Page 75
... displaying an aspect to proceed , and which prevents , until after the expiration of a predetermined time interval after such signal has been caused to display its most restrictive aspect , the movement of any inter- locked or ...
... displaying an aspect to proceed , and which prevents , until after the expiration of a predetermined time interval after such signal has been caused to display its most restrictive aspect , the movement of any inter- locked or ...
Common terms and phrases
Administrative Procedure Act apparatus approach aspect to proceed AUTOMATIC BLOCK SIGNAL automatic brake application AUTOMATIC TRAIN automatic train-stop BLOCK SIGNAL SYSTEMS cab-signal system carrier on file clearance controlled points Cut-section derail display an aspect display aspects electric circuits electric locking electric or mechan electropneumatic equipped territory facing-point lock favorable than proceed hand-operated switch home signal inductor Inspections and tests installed Insulation resistance interlocking machine Interstate Commerce Act Interstate Commerce Commission latch least once lever locomotive matic Mechanical locking miles per hour Movable bridge movable-point frog normal proceed at restricted protection railroad Release requirements restricted speed restrictive aspect Revised Roadway element roadway signal Route locking Rules and instructions shunt Signal control circuits signal displaying signal governing movements signaled for movements Spring switch stopping distance SUBPART Switch circuit controller switch point tested at least tion track circuit track relays traffic-control system train movements train-stop or train-control trunnions valve