 Just the 4th of July stuff will give people that spirit of being happy because it's the 4th of July. Independence. In Washington, D.C., Jimmy Alexander, WTOP News. If you are still out and about tonight celebrating the holiday, Metro Rail and bus trips are free for the rest of the night. Parking at Metro lots also free. Metro Rail will run until midnight and is operating on a Sunday schedule. It's 10.05. Go ahead, drink that tap water.