Some of these disadvantages were to have been overcome under a law passed in 1868 which approved the construction of seventeen new lines having a total length of 1,840 km. (1,143 miles). When, however, war broke out in 1870, comparatively little had been done towards the achievement of this programme, and France entered upon the conflict with a railway system which had been even less developed towards her eastern frontiers than towards the north, the west and the south, while for the purposes of concentrating her troops in the first-mentioned direction she had available only three lines, and of these three one alone was provided with double-track throughout. Such were the inadequacies of the system at this time that the important line between Verdun and Metz had not yet been completed. No sooner had the war come to an end than the French Government started on the improvement of the railway system in order to adapt it to the possible if not prospective military requirements of the future, so that they should never again be taken at a disadvantage; and in carrying on this work--in addition to the reorganisation of their military-transport system in general--they showed an unexampled energy and thoroughness. Within five years of the restoration of peace the French railway system had already undergone an extension which, according to Captain A. Pernot, as told in his "Aperçu historique sur le service des transports militaires," would have been possible in but few countries in so short a period; while of the situation at the time he wrote (1894) the same authority declared:--"One can say that everything is ready in a vast organisation which only awaits the word of command in order to prove the strength of its capacity." Without attempting to give exhaustive details of all that was done, it may suffice to indicate generally the principles adopted. One of the most important of these related to an improvement of the conditions in and around Paris. Here the purposes specially aimed at were (1) to establish further connecting links between the various trunk lines radiating from the capital, and (2) to obviate the necessity for traffic from, for example, the south or the west having to pass through Paris _en route_ to the east or the north.