Track construction

Strengthening rail networks
Our Group is highly specialized in the construction of new ballasted track on standard and high-speed lines. The widespread availability of highly qualified teams and vehicles allows us to perform all the operations needed for track construction, covering the entire production chain.
Topography and logistics
Transport of materials
Track (rails and sleepers) and turnout laying
Tamping and ballast profiling
Destressing
Completion activities
Rail grinding
Dynamic track stabilization

References:

• 
  Cameron, Rondo E. France and the Economic Development of Europe, 1800–1914: Conquests of Peace and Seeds of War (1961), pp. 304–227 covers France, Spain Russia and others
  
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  Churella, Albert J. (1998). From Steam to Diesel: Managerial Customs and Organizational Capabilities in the Twentieth-Century American Locomotive Industry. Princeton, New Jersey: Princeton University Press. ISBN 978-0-691-02776-0.
  
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  Coatsworth, John H. "Indispensable Railroads in a Backward Economy: The Case of Mexico," Journal of Economic History (1979) 39#4 pp. 939–960 in JSTOR
  
• 
  Duffy, Michael C. Electric Railways: 1880-1990 (2003).
  
• 
  Fraser, P. M. (1961), "The ΔΙΟΛΚΟΣ of Alexandria", The Journal of Egyptian Archaeology, 47: 134–138, doi:10.2307/3855873, JSTOR 3855873
  
• 
  Fremdling, Rainer. "Railroadss and German Economic Growth: A Leading Sector Analysis with a Comparison to the United States and Great Britain," Journal of Economic History (1977) 37#3 pp. 583–604. in JSTOR
  
• 
  Hadfield, C. and Skempton, A. W. William Jessop, Engineer (Newton Abbot 1979)
  
• 
  Jenks, Leland H. "Railroads as an Economic Force in American Development," The Journal of Economic History, vol. 4, no. 1 (May 1944), 1–20. in JSTOR
  
• 
  Keys, C. M. (August 1914). "Redrawing The Railroad Map of the World". The World's Work: A History of Our Time. XLIV (2): 414–425. Includes maps of major rail lines on all continents c. 1914