The state of positive train control implementation in the United States : hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fourteenth Congress, first session, June 24, 2015
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Format: | Online Book |
Language: | English |
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Washington :
U.S. Government Publishing Office,
2015
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Online Access: | http://purl.fdlp.gov/GPO/gpo63380 |
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http://purl.fdlp.gov/GPO/gpo63380Government Documents
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GovDocs Y 4.T 68/2:114-23
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• | Available |