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 Fifteenth Congress, second session, September 13, 2018. 
 Positive train control implementation in the United States 

 - 1 online resource (xii, 73 pages) :  illustrations 
<br/><br/> "115-55."  CRDP Program record. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Rail Safety Improvement Act of 2008. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads--Automatic train control--United States.<br/>Railroads and state--United States.<br/>Railroad law--United States.<br/>Railroad law.<br/>Railroads and state.<br/>Railroads--Automatic train control.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Legislative hearings.
<br/><br/><label>LC Class. No.: </label>KF27  / .P89653 2018d 
<br/><br/><label>GPO Item No.: </label>1024-C-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.T 68/2:115-55