Sedentary lifestyle is an important public health issue. To prevent this problem, major health organizations promote the inclusion of physical activity in daily life. Active modes are therefore a well-known way of achieving the health recommendations but walking to transit has also been studied recently. The goal of this study is to assess the level of physical activity achieved by using transit, to verify its contribution in reaching the recommendations. The paper aims to assess the energy expenditure associated with transit use by analyzing the related Metabolic Equivalent of Task. This allows us to express trips as physical activity expenditures and to integrate them in the daily pool of physical activities. For this study, only the main variables affecting the intensity of physical activity are considered. These are the walking time and slope encountered during the walking portion of transit trips. This estimation allows us to estimate the level of physical activity reached by transit users and assess the potential physical activity drivers could achieve if they switched to transit. Finally, the method is also applied to a current transportation issue in Montreal. Results show that transit users living in the Montreal area can achieve 54% of their recommended daily physical activity just by using transit. Current users of motorized modes, if they were to change to transit for their daily travels, could achieve 85% of the recommended daily physical activity.

久坐的生活方式是重要的公共卫生问题。为了防止出现此问题，主要的卫生组织提倡将体育锻炼纳入日常生活。因此，主动模式是实现健康建议的一种众所周知的方式，但是最近也研究了步行去公交。这项研究的目的是评估使用过境所达到的体力活动水平，以验证其对达到建议的贡献。本文旨在通过分析任务的相关代谢当量来评估与公交使用相关的能源消耗。这使我们可以将旅行表示为身体活动支出，并将其整合到日常身体活动中。对于本研究，仅考虑影响身体活动强度的主要变量。这些是在公交旅行的步行过程中遇到的步行时间和坡度。此估计值使我们能够估计过境用户达到的体力活动水平，并评估驾驶员在转乘公交时可能实现的潜在体力活动。最后，该方法还适用于蒙特利尔当前的运输问题。结果表明，居住在蒙特利尔地区的过境用户只需使用过境，就可以实现其建议的日常体育锻炼的54％。当前使用电动模式的用户，如果要改变日常出行的交通方式，则可以达到建议的日常体育锻炼的85％。此估计值使我们能够估计过境用户达到的体力活动水平，并评估驾驶员在转乘公交时可能实现的潜在体力活动。最后，该方法还适用于蒙特利尔当前的运输问题。结果表明，居住在蒙特利尔地区的过境用户只需使用过境，就可以实现其建议的日常体育锻炼的54％。当前使用电动模式的用户，如果要改变日常出行的交通方式，则可以达到建议的日常体育锻炼的85％。此估计值使我们能够估计过境用户达到的体力活动水平，并评估驾驶员在转乘公交时可能实现的潜在体力活动。最后，该方法还适用于蒙特利尔当前的运输问题。结果表明，居住在蒙特利尔地区的过境用户只需使用过境，就可以实现其建议的日常体育锻炼的54％。当前使用电动模式的用户，如果要改变日常出行的交通方式，则可以达到建议的日常体育锻炼的85％。