conference paper Gender differences in travel patterns of the elderly in the united states Proceedings of the 99th annual meeting of the transportation research board Publication Date January 1, 2020 Author(s) Suman Mitra, Mingqi Yao, Stephen Ritchie Suggested Citation Suman Mitra, Mingqi Yao and Stephen Ritchie (2020) “Gender differences in travel patterns of the elderly in the united states”, in Proceedings of the 99th annual meeting of the transportation research board.