The German special interest magazine ETR reports on the tests of approval "made by PJM" for Stadler trains on the Westbahn track. 
Get the full story (PDF in German language) or the success story (in Englisch language): https://pjm.co.at/en/blog/Showroom/westbahn-testrides-with-a-digital-measurement-system/
 
 
 
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