Locomotives of the TRAXX (Transnational Railway Applications with eXtreme feXibility) family of locomotive types from Bombardier are in operation today all over Europe. The AEG 12X experimental locomotive appeared in 1994 and was tested as road number 128 001 on the DB. The experience gained from this flowed into the development of the class 145 that was placed into service starting in 1998 on the DB as a freight locomotive with a top speed of 140 km/h / 87 mph. Eighty locomotives were built for the DB and additional units were built for the Swiss Mittelthurgau Railroad, which were eventually used on the SBB as the class Re 481. Several more locomotives of the class 145 type are on privately owned railroads. The class 146 was derived from this for commuter service; its most striking feature is a train destination on the end of the locomotive. The class 146.0 is designed for 160 km/h / 100 mph and is also equipped with a time-multiplex shuttle train control system. The real success story began in 2000. Bombardier presented the multi-system variations: The class 185 was also designed for the current system of neighboring railroads. A total of 400 units of the class 185 are to be purchased. The locomotives are equipped with the appropriate train safety systems and electrical equipment as a "package", depending on the country in which they are to be used. Thus, there are locomotives with two or four pantographs and different external differences that are very apparent to the eye. There are also many of the class 185.1 locomotives on privately owned railroads. Like the class 146.1, there is also a version of the class 185.1 for 160 km/h / 100 mph for commuter service. The next step in the evolution was the locomotives of the TRAXX family delivered to European railroads starting in 2005: They were equipped with a crash-resistant locomotive body whose contour looks more powerful and beefier from the ends. Other changes affected the electrical converter system. Railion has currently placed 200 of these locomotives into service and has designated them as the class 185.2. Here too there is a commuter version for 160 km/h / 100 mph, the class 146.2. Currently, these locomotives are used to pull the latest bi-level trains in the areas of Stuttgart, Freiburg, and Nürnberg. The German Railroad, Inc. is not the only one busily taking delivery of this family of locomotives focused on the future. The SBB and many privately owned railroads such as the Swiss Crossrail are also placing different models from the various series into service.