Ingested titles 12–51 and 54 from OLRC USLM XML @119-100 (the whole Code now, uniform edition; Title 53 is reserved/empty). LegalText 11,221 -> 59,740; repo total 105,704 records. Deterministic (byte-identical rerun, verified on Title 42's 8,356 sections); make check green. make legal-us-code default now covers every title. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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| LegalText | 49 U.S.C. § 20501 | Definition | us | united_states_code | code_section | 49 | TRANSPORTATION | 205 | SIGNAL SYSTEMS | 20501 | 49 U.S.C. § 20501 | current | 119-100 | 2026-06-26 | official | https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc49@119-100.zip | /us/usc/t49/s20501 | data/legal/raw/us/code/title-49/usc49.xml | 1fe042f1bde52d42794452d52301e3b4918ce45ee2f61f7b3c66a9816472ad56 | 0786acdd244d8f42c5a8e8ed1ec2a8dcb47dd0e02a286752710a20745702a4fb | f4105f261d80a95f49ad69e297ea23cf7bfab1f1f45e1998700157f87e64e6f3 | 2026-07-04 | official |
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49 U.S.C. § 20501 - Definition
Text
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.
(Pub. L. 103–272, § 1(e), July 5, 1994, 108 Stat. 883.)
Notes
Historical and Revision Notes RevisedSectionSource (U.S. Code)Source (Statutes at Large) 20501(no source). 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).
Statutory Notes and Related Subsidiaries
Signal ProtectionPub. L. 114–94, div. A, title XI, § 11408, Dec. 4, 2015, 129 Stat. 1684, provided that: “(a) In General.—Not later than 18 months after the date of enactment of this Act [Dec. 4, 2015], the Secretary [of Transportation] shall initiate a rulemaking to require that on-track safety regulations, whenever practicable and consistent with other safety requirements and operational considerations, include requiring implementation of redundant signal protection for maintenance-of-way work crews who depend on a train dispatcher to provide signal protection. “(b) Alternative Safety Measures.—The Secretary shall consider exempting from any final requirements of this section each segment of track for which operations are governed by a positive train control system certified under section 20157 of title 49, United States Code, or any other safety technology or practice that would achieve an equivalent or greater level of safety in providing additional signal protection.”