Electric scooters have become a popular mode of transportation on many university campuses across the United States. However, whether they are allowed or not can vary significantly from one institution to another. For American University in Washington, D.C., it's necessary to consult the university's official policies or contact campus authorities for the most current information regarding the use of electric scooters on campus grounds. Generally, universities that do allow electric scooters often have specific guidelines regarding their use, such as designated parking areas, speed limits, and pathways where they can be ridden. Always ensure to adhere to the university's regulations and local laws for safe and responsible scooter usage.