L37.7 (Thionville-Apach Frontière), seen very close to the French-German border.
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One can already spot those DB side-signs (blue-white), which warn against the voltage change-over (25kV 50Hz AC---> 15kV 16 2/3 Hz AC). 
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Apach [Apach Frontière]. 
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25th May 2006. 
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P.L.Guillemin (plguillemin@yahoo.fr)