give me a solution for the ttc in toronto delay and try getting a solution from the U-Bahn subway system in germany:3.0 should write 1-2 brief paragraphs (with a list) describing the pessible solution that they would like to investigate. In each section, the team members di their possible solution into three areas of study (e.g. "background", "advantages", and "disadvantages") then provide a short research description for each area of study). Introduce each impact with the following subheading: For each source, provide the full APA reference and intext citation.