Guess what #Tunnels!
https://www.washingtonpost.com/local/trafficandcommuting/amtrak-aspires-to-a-2-hour-dc-ny-trip-but-its-going-to-take-a-lot-more-than-faster-trains/2019/11/02/b761a61a-e523-11e9-a331-2df12d56a80b_story.html