By Railway Gazette International2016-06-15T13:43:00
CZECH REPUBLIC: The breakthrough of the Czech Republic's longest railway tunnel was celebrated on June 11, when the 115 m long Herrenknecht Type S-799 tunnel boring machine Viktorie broke through the southern bore of the 4·15 km twin-bore tunnel under the Chlum and Homolka hills east of Plzeň after 16 ...
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