News & Articles amphipod Endangered Shrimp-Like Creature Is In The Path Of The Proposed Purple Line Environmentalists vow to fight that construction and urge transportation officials to route the proposed purple line around the endangered Hay's Spring amphipod. Dec. 3, 2013 - CBS Baltimore Purple Line’s obscure obstacle: The endangered Hay’s Spring amphipod Activists are considering a lawsuit in an effort to protect the Hay’s Spring amphipod from rail construction. Nov. 29, 2013 - Washington Post