De Leuw, Cather, <br/><br/>
General safety requirements :  task 406 : Northeast Corridor Improvement Project 

 - Washington :  Springfield Va. :  Dept. of Transportation, Federal Railroad Administration, Northeast Corridor Improvement Project ;  For sale by the National Technical Information Service,  1978 
 - 1v.(various pagings) :  ill. ;  28 cm. 
 - Federal Railroad Administration Report - Federal Railroad Administration .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroads--Design and construction--Safety regulations--Northeastern States<br/>Railroads--Design and construction
<br/><br/><label>Dewey Class. No.: </label>625.1