Media type: E-Article Title: Thank You and Goodbye Contributor: Savelsbergh, Martin Published: Institute for Operations Research and the Management Sciences (INFORMS), 2021 Published in: Transportation Science, 55 (2021) 1, Seite 1-1 Language: English DOI: 10.1287/trsc.2020.1037 ISSN: 0041-1655; 1526-5447 Keywords: Transportation ; Civil and Structural Engineering Origination: Footnote: