The elevator from the ground level to the chamber of the Jefferson Memorial may be intermittently out of order. Visitors can take steps, but if you require an elevator for a successful visit, please call this number for current status: 202-426-6841.
Always Open
The sites of National Mall and Memorial Parks (other than the Washington Monument) are always open to the public. Restrooms, museums and elevators close in the evenings (check individual sites for hours)
Rangers on Duty
Rangers are on Duty to assist the Visiting Public from 9:30 am to 10:00 pm daily (except christmas). The United States Park Police are on Duty 24 hours a day.