Washington Metropolitan Area Transit Authority does not provide a reservation system for seats on the Metro. The service operates on a first-come, first-served basis, which means passengers are welcome to choose any available seat on the train. This is especially important to keep in mind during peak travel times when trains can be crowded. Passengers are encouraged to board quickly to secure a seat, as trains do not allow for standing passengers to reserve spots. However, Metro does provide designated areas for individuals with disabilities, and it encourages respect for these spaces. For more detailed information about accessibility options or specific policies, it is advisable to explore the resources available on the official wmata.com website.