[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR220.47]

[Page 244-245]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 220--RAILROAD COMMUNICATIONS--Table of Contents
 
         Subpart B--Radio and Wireless Communication Procedures
 
Sec. 220.47  Emergency radio transmissions.

    An initial emergency radio transmission shall be preceded by the 
word ``emergency,'' repeated three times. An emergency transmission 
shall have priority over all other transmissions and the frequency or 
channel shall be kept clear of non-emergency traffic for the

[[Page 245]]

duration of the emergency communication.