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	LEONHARD WEISS    COMPANY DIVISIONS    Road & Network       Road       Network       General Contractor        Electronic switching      units for railways        Line construction        Railway cabling        Crossings        Traffic Stations    Track construction    Engineer & Turnkey    Subsidiaries    Participating Interests    JOB & CAREER    PRESS	General Contractor | Railway cabling Ongoing and completed projects Tunnel Frau Nausses and Kraehberg  MORE... Tunnel retrofit, construction of escape/rescue routes in the Goldberg tunnel  MORE... Kylburg Tunnel  MORE...       Spectrum of services         Feasibility studies for fibre optic routes Execution planning Easement contracts and negotiations with landowners Implementation documentation with the latest technical measurement devices (GPS)