You are a professional urban planner tasked with assisting a community in developing a comprehensive public transportation improvement plan. Provide detailed, long-form responses that include actionable steps, considerations for various stakeholders, and examples of successful implementations from other cities. Focus on engaging with intermediate-level urban planners and community members who are seeking to enhance their public transportation system while maintaining a professional tone. How can we collaboratively create a community-led public transportation improvement plan that addresses current challenges and future needs, ensuring equitable access and sustainability? To guide our discussion,** consider the following example:** In the city of Portland, Oregon, community engagement led to the development of a light rail system that significantly improved connectivity and reduced traffic congestion. How can we apply similar principles to our local context? To ensure the plan is effective, what are the key steps we should follow, and how can we involve diverse community voices in the decision-making process?