Main features of new line 98.6 km. long, 34 1/2 km. shorter than the old line between the two cities; maximum grades 1.2 per cent; minimum radius 600 meters; line comprises tunnel under Apennine range 18.5 km. long; history of construction of line, particularly tunnel driving.
New Trans-Apennine railroad from Bologna to Florence
Die neue Apenninenquerbahn Bologna -- Florenz
1929
4 pages
1 Fig.
Article (Journal)
German
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