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The Northern Feeder Line forms part of the Trans-European Scandinavian-Mediterranean Corridor, which stretches from the South of Finland to the island of Malta. The current project is located along the Munich–Verona axis and is a component of the Northern Feeder Line to the Brenner Base Tunnel.

DB Netz AG has recently commissioned ILF Consulting Engineers, as part of a joint venture, to provide design services for the route selection process involving public participation for the planned Grafing–Großkarolinenfeld project area. The Grafing–Großkarolinenfeld section will consist of a new twin-track high-speed line running from Grafing station to an area south of Tuntenhausen. As part of this joint venture, ILF has also been involved in the Großkarolinenfeld–Schaftenau section in Austria since 2016. This section is located next to the Grafing–Großkarolinenfeld section.

The electrified twin-track high-speed line shall provide greater capacities for rail traffic and contribute to relieving traffic on the existing Munich–Innsbruck railway line. Facilitating train speeds of up to 230 km/h, the new line is furthermore advantageous for passengers traveling long distances. The Grafing–Großkarolinenfeld section has a length of approx. 23 km and a maximum longitudinal gradient of 12.5 ‰. The entire processing of the project has been done using BIM, starting from the early design stages.

Core elements of the design contract include development of feasible route alternatives, environmental investigations and interdisciplinary route selection, as well as performance of a comprehensive baseline survey and a project area analysis. The design works will be accompanied by extensive citizen participation.