MARTA Reach: Piloting an On-Demand Multimodal Transit System in Atlanta. - Pascal Van Hentenryck; Connor Riley; Anthony Trasatti; Hongzhao Guan; Tejas Santanam; Jorge A. Huertas; Kevin Dalmeijer; Kari Watkins; Juwon Drake; Samson Baskin (CoRR, 2023)