for example the federal district should assign new brs corridors to serve this area coordinating with train schedules this could contribute to tackling congestion which in the case of santa fe has become a major issue affecting economic activity such a transformation would also greatly improve access for lowincome residents and workers commuting to these areas careful analysis of full origindestination demand patterns will shed light on the extent to which planned upgrades such as the extension of a second underground line to reach the train station in mexico city can solve accessibility problems especially at times of high demand