Working wireless communications

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.


49 CFR § 220.5

Scoping language

As used in this part, the term:

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