The application guidelines for TEN-T funding advice applicants to use the Marco Polo Modal Shift Calculator. This is a Microsoft Excel based tool, which can be downloaded from the programme‘s homepage. Furthermore, the Marco Polo Call for Proposals comprises calculation examples and useful hints on how to carry out the calculations correctly. The following links will take you there:
Alternatively, you can calculate the modal shift directly. Since modal shift is understood as the change in tonne kilometres between the existing road-based option and the new modally shifted solution, the calculation does not necessarily require a specific tool. The Marco Polo User's guide also comprises a formula for such a calculation.
The following diagram summarises the data input needed and the resulting data output for the Marco Polo Modal Shift Calculation.
Marco Polo calculator for assessing modal shift volume