[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR220.5]

[Page 249-250]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 220_RAILROAD COMMUNICATIONS--Table of Contents
 
                            Subpart A_General
 
Sec. 220.5  Definitions.

    As used in this part, the term:

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    Adjacent tracks means two or more tracks with track centers spaced 
less than 25 feet apart.
    Control center means the locations on a railroad from which the 
railroad issues instructions governing railroad operations.
    Division headquarters means the location designated by the railroad 
where a high-level operating manager (e.g., a superintendent, division 
manager, or equivalent), who has jurisdiction over a portion of the 
railroad, has an office.
    Employee means an individual who is engaged or compensated by a 
railroad or by a contractor to a railroad, who is authorized by a 
railroad to use its wireless communications in connection with railroad 
operations.
    Immediate access to a radio means a radio on the employee's person, 
or sufficiently close to the employee to allow the employee to make and 
receive radio transmissions.
    Joint operations means rail operations conducted by more than one 
railroad on the track of a railroad subject to the requirements of Sec. 
220.9(a), except as necessary for the purpose of interchange.
    Locomotive means a piece of on-track equipment other than hi-rail, 
specialized maintenance, or other similar equipment--
    (1) With one or more propelling motors designed for moving other 
equipment;
    (2) With one or more propelling motors designed to carry freight or 
passenger traffic, or both; or
    (3) Without propelling motors but with one or more control stands.
    Lone worker means an individual roadway worker who is not being 
afforded on-track safety by another roadway worker, who is not a member 
of a roadway work group, and who is not engaged in a common task with 
another roadway worker.
    Mandatory directive means any movement authority or speed 
restriction that affects a railroad operation.
    Railroad operation means any activity which affects the movement of 
a train, locomotive, on-track equipment, or track motor car, singly or 
in combination with other equipment, on the track of a railroad.
    Roadway worker means any employee of a railroad, or of a contractor 
to a railroad, whose duties include inspection, construction, 
maintenance or repair of railroad track, bridges, roadway, signal and 
communication systems, electric traction systems, roadway facilities or 
roadway maintenance machinery on or near track or with the potential of 
fouling a track, and flagmen and watchmen/lookouts.
    System headquarters means the location designated by the railroad as 
the general office for the railroad system.
    Train means one or more locomotives coupled with or without cars, 
requiring an air brake test in accordance with 49 CFR part 232 or part 
238, except during switching operations or where the operation is that 
of classifying and assembling rail cars within a railroad yard for the 
purpose of making or breaking up trains.
    Working radio means a radio that can communicate with the control 
center of the railroad (through repeater stations, if necessary to reach 
the center) from any location within the rail system, except:
    (1) Tunnels or other localized places of extreme topography, and
    (2) Temporary lapses of coverage due to atmospheric or topographic 
conditions. In the case of joint operations on another railroad, the 
radio must be able to reach the control center of the host railroad.
    Working wireless communications means the capability to communicate 
with either a control center or the emergency responder of a railroad 
through such means as radio, portable radio, cellular telephone, or 
other means of two-way communication, from any location within the rail 
system, except:
    (1) Tunnels or other localized places of extreme topography, and
    (2) Temporary lapses of coverage due to atmospheric or topographic 
conditions. In the case of joint operations on another railroad, the 
radio must be able to reach the control center of the host railroad.

[63 FR 47195, Sept. 4, 1998, as amended at 65 FR 41305, July 3, 2000]

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