High speed trains --- Railroads and state. --- Economic aspects. --- Government ownership of railroads --- Government regulation of railroads --- Nationalization of railroads --- Railroads --- Railroads, Nationalization of --- State and railroads --- State ownership of railroads --- Bullet trains --- Metroliners --- Trains, High speed --- Turbotrains --- Government ownership --- Government policy --- Regulation --- State supervision --- Transportation and state --- Railroad law --- High speed ground transportation --- Railroad trains --- Management --- Railroads and state --- Economic aspects --- E-books --- Trains à grande vitesse --- Chemins de fer --- Aspect économique --- Politique gouvernementale