>CM - Road closures into DC

I recommend parking outside of DC and taking the metro in.

https://www.washingtonpost.com/wp-srv/metro/images/metrorailmap.html

Or drive to Carrollton, MD and ride Amtrack into DC.

https://www.trainbuster.com/en/train-tickets/new-carrollton-md-us-x-washington-dc-us