Frauenhofer’s “Autotram Extra Grand”

the Autotram Extra Garnd

The world’s longest bus is now claimed to be the Autotram Extra Grand. It was developed as part of a research project by the Frauenhofer IVI (Frauenhofer Institure for traffic and infrastructure systems). If you go to the project’s webpage you can view and download videos of the project and also learn more about some of the technical aspects of the vehicle.

Frauenhofer say that the train-like guidance of the vehicle is another significant technical feature. The AutoTram ®  Extra Grand has four guided axles, three of which can be controlled by means of a secure electrohydraulic actuator system. With the multi-axle steering system, the vehicle can be maneuvered like a 12-meter bus both forward and reverse.

Dimensions
overall length              30,73 m
total height                    3,40 m
min. turning circle     24,726 m
number of modules     3
number of axles           5
capacity                         seats 96, standing up to 160

The Frauenhofer IVI (link) is a research institute which “confronts present-day challenges, operating in a wide array of topics within several fields of research such as transport telematics, disposition, logistics, vehicle propulsion and sensor technologies, while also incorporating the information and communication sectors, traffic planning and traffic ecology.”

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About roadnotes

Robert Bartlett is an international consultant with over 30 years of professional experience as a highway and traffic engineer with leading companies and organisations in several countries, including Germany, China (Hong Kong), Qatar and the UK. Specialised in urban studies, transport and the use of GIS, research has included new ideas on subjects such as the study of social justice using GIS, the dimensions of vehicles, and comparative geometrics (highways and transport).
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