Social support to increase the elderly's safe mobility and reduce the risk of falling can be provided as conditions for using different modes oftraortation.o, this study aims to identify factors affecting active traortation (walking and cycling) and travel mode choice of the elderly before and after the COVID-19 outbreak and to investigate strategies to increase the desirability of traortation for the elderly and its indicators.In this study, first, a systematic review method was used to identify factors affecting the elderly's travel mode choice in other countries.Then, according to the aims, people aged 60 and over in 15districts of Isfahan were interviewed, and finally, 453 questionnaires were completed.The binary logistic regression and the multiple logit methods were utilized to analyze the data.The results show that in general, the most important factors influencing the odds of active traortation before the outbreak are travel distance (negative impact) and frequency, car (negative impact) and bicycle ownership, neighborhood security, CBD location, and Recreational trips.After that, in addition to the mentioned variables, walk routes quality and vegetation are significant.In the travel mode choice before the outbreak, in general, factors such as walk routes quality, the safety of intersections, travel distance, car and bicycle ownership, access and quality of public traortation, education, employment status, vegetation, gender, CBD location and trip purpose such as recreational and delivering family members are effective.After the outbreak, walk routes quality, the safety of intersections, travel distance, car and bicycle ownership, employment status, vegetation and neighborhood security are effective factors.The results of this study show that policies to increase bicycle ownership, such as offering installment and discounted bicycles to the elderly are necessary to maintain their mobility and physical activity.The allocating facilities and services near the elderly's residential, increasing the density and diversity of land uses also increase the elderly's mobility in normal conditions and maintain their mobility in critical situations such as the COVID-19 outbreak. Keywords: Active travel, Travel mode choice, Older adult, Binary logistics regression, Multinomial logit, Covid-19