49 U.S.C. § 20501
Section 20501 · Definition
Amended 1 time on record
In this chapter, “signal system” means a block signal system, an interlocking, automatic train stop, train control, or cab-signal device, or a similar appliance, method, device, or system intended to promote safety in railroad operations.
Editorial notes U.S. Code · Office of the Law Revision Counsel
This section is added to eliminate the unnecessary repetition of the words used in the definition. The definition is derived from 49 App.:26(b)–(f).