New Frankfurt–Mannheim line

The rail lines between Frankfurt am Main and Mannheim are among the busiest in Germany. Rail traffic in the area is forecast to continue to increase in the coming years.

The Riedbahn (Frankfurt–Biblis–Mannheim) and the Main-Neckar-Bahn (Frankfurt–Darmstadt–Heidelberg) will be particularly affected. The existing rail lines here have already reached full capacity.

A new double-track rail line is therefore being planned between Frankfurt and Mannheim under the project name “New Frankfurt–Mannheim Line”. It is part of the “Middle Rhine Corridor: Target Network I” and was defined as one of the most important projects within the scope of the Federal Transport Infrastructure Plan 2030. It represents a gap closure in the German and European rail transport network.

In this context, the section has an important dual role. For high-speed rail, it connects the high-speed lines Cologne–Rhine/Main and Mannheim– Stuttgart. Directing freight traffic onto the new line at night makes it part of the EU Rhine-Alpine Corridor, one of Europe’s main rail corridors, and reduces noise for communities along the existing line.

Design services using BIM methodology

The scope of work includes basic evaluation, initial planning, final design and planning for the building permit application for the control-command and signaling systems (interlockings, ETCS and railroad crossing safety systems) and overhead line equipment. BIM methodology will be used for some subsections.

The new line and another existing line in the area of the northern connection to Darmstadt are to be equipped with digital interlocking equipment. Existing electronic interlockings will be adapted at the beginning and end of the line. In addition, the relay interlocking at Darmstadt Main Station will be expanded for the southern connection. In future, the new line is to be equipped with the European Train Control System (ETCS) Level 2, and the existing ETCS equipment in the connecting areas is to be adapted.

These measures should allow speeds of up to 300 kilometers per hour in future and effectively contribute to a reduction in journey time between Frankfurt and Mannheim. The number of planned long-distance services between the two cities are expected to double in the future as a result. Regional and local transport services are also to be expanded on the existing lines in the future.

Project information

  • New line for high-speed rail and connecting sections to existing lines
  • Design of overhead line equipment and control-command and signaling systems for the new line:
    • Zeppelinheim–Mannheim-Waldhof main track 57.8 km, of which 7.2 km in troughs and 12.7 km in tunnels
    • Connections to existing routes
  • Changes in track layout in the stations at the beginning and end of the line and in connecting areas (Darmstadt area)


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