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Descriptor English: Railroads
Descriptor Spanish: Vías Férreas
Descriptor vías férreas
Scope note: Vías permanentes que tienen una línea de raíles que se fijan a travesaños y que descansan a una medida exacta, usualmente sobre un lecho de rocas nivelado y que brinda un camino para coches de carga, de pasajeros y otros equipos rodantes. Los coches están diseñados para ser arrastrados por locomotoras o en ocasiones son impulsados por motores que se encuentran en los propios coches.
Descriptor Portuguese: Ferrovias
Descriptor French: Voies ferrées
Entry term(s): Railroad
Subway
Subways
Tree number(s): J01.937.690
SH1.050.313.562.601.750.201.508
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D011890
Scope note: Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well.
Allowable Qualifiers: CL classification
EC economics
ES ethics
HI history
IS instrumentation
LJ legislation & jurisprudence
MT methods
SN statistics & numerical data
ST standards
DeCS ID: 12326
Unique ID: D011890
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 1997/06/20
Railroads - Preferred
Concept UI M0018458
Scope note Permanent roads having a line of rails fixed to ties and laid to gage, usually on a leveled or graded ballasted roadbed and providing a track for freight cars, passenger cars, and other rolling stock. Cars are designed to be drawn by locomotives or sometimes propelled by self-contained motors. (From Webster's 3d) The concept includes the organizational and administrative aspects of railroads as well.
Preferred term Railroads
Entry term(s) Railroad
Subways - Narrower
Concept UI M0018459
Preferred term Subways
Entry term(s) Subway



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