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Federal Railroad Administration, DOT § 235.7

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Federal Railroad Administration, DOT § 235.7 Federal Railroad Administration, DOT § 235.7 railroads that operate on standard gage (5) Removal of an intermittent auto- track which is part of the general rail- matic train stop system in conjunction road system of transportation. with the implementation of a positive (b) This part does not apply to rail train control system approved by FRA rapid transit operations conducted over under subpart I of part 236 of this chap- track that is used exclusively for that ter. purpose and that is not part of the gen- (b) When the resultant arrangement eral system of railroad transportation. will comply with part 236 of this title, it is not necessary to file for approval § 235.5 Changes requiring filing of ap- to decrease the limits of a system as plication. follows: (a) Except as provided in § 235.7, ap- (1) Decrease of the limits of an inter- plications shall be filed to cover the locking when interlocked switches, de- following: rails, or movable-point frogs are not in- (1) The discontinuance of a block sig- volved; nal system, interlocking, traffic con- (2) Removal of electric or mechanical trol system, automatic train stop, lock, or signal used in lieu thereof, train control, or cab signal system or from hand-operated switch in auto- other similar appliance or device; matic block signal or traffic control (2) The decrease of the limits of a territory where train speed over the block signal system, interlocking, traf- switch does not exceed 20 miles per fic control system, automatic train hour; or stop, train control, or cab signal sys- (3) Removal of electric or mechanical tem; or lock, or signal used in lieu thereof, (3) The modification of a block signal from hand-operated switch in auto- system, interlocking, traffic control matic block signal or traffic control system, automatic train stop, train territory where trains are not per- control, or cab signal system. (b) [Reserved] mitted to clear the main track at such switch. (Approved by the Office of Management and (c) When the resultant arrangement Budget under control number 2130–0042) will comply with part 236 of this title, it is not necessary to file an applica- § 235.7 Changes not requiring filing of application. tion for approval of the following modi- fications: (a) It is not necessary to file an appli- (1) A modification that is required to cation for approval of the following comply with an order of the Federal discontinuances: Railroad Administration or any section (1) Removal of block signal system, of part 236 of this title; interlocking, traffic control system, automatic train stop, train control, or (2) The installation of an automatic cab signal system from track approved block signal or a traffic control system for abandonment by formal proceeding; to replace manual block or non-sig- (2) Removal of devices and associated naled territory; signals used to provide protection (3) The installation of a traffic con- against unusual contingencies such as trol system to replace a roadway auto- landslide, burned bridge, high water, matic block signal system (discontinu- high and wide load, or tunnel protec- ance of an automatic train stop, train tion when the unusual contingency no control, or cab signal system is not longer exists; permitted without FRA approval); (3) Removal of an interlocking where (4) The installation of an automatic a drawbridge has been permanently train stop, train control, or cab signal closed by the formal approval of an- system in an existing automatic block other government agency; or or traffic control system; (4) Removal from service not to ex- (5) The installation of a continuous ceed 6 months of block signal system, inductive automatic train stop system interlocking, or traffic control system to replace an existing intermittent in- necessitated by catastrophic occur- ductive automatic train stop system; rence such as derailment, flood, fire, or (6) The installation of a continuous hurricane; or inductive automatic train stop system 679 VerDate Mar<15>2010 14:14 Nov 15, 2011 Jkt 223217 PO 00000 Frm 00689 Fmt 8010 Sfmt 8010 Q:\49\49V4.TXT ofr150 PsN: PC150.
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