As a recipient of the Transportation Science Meritorious Service Awards, Prof. Ehmke and Dr. Ninja Scherr were recognized as reviewers who offered exceptional service in the review process. The 2023 recipients have distinguished themselves by the number of papers handled, their efficiency in handling papers, and the quality of their reviews.

As a recipient of the Transportation Science Meritorious Service Awards, Prof.Ehmke is recognized as reviewer who offered exceptional service in the review process. The 2021 recipients have distinguished themselves by the number of papers handled, their efficiency in handling papers, and the quality of their reviews.

The European Journal of Operational Research selects best papers in different categories every year. Recently, an author team around Prof. Ehmke was awarded the Best Review Paper Award for the paper “Collaborative urban transportation: Recent advances in theory and practice“. In this paper, the authors investigate different forms of collaboration for urban logistics. Furthermore, reasons for cancelling of collaboration prototypes are discussed, and potential areas of future work are identified. The price was awarded at EURO 2021.