In a move which caught contractors unprepared, Seattle's Central Puget Sound Regional Transit Authority a.k.a. Sound Transit  tells its contractors to halt almost all construction on its system expansion projects until May 4 while reserving the right to change the date.

Mount Baker tunnel work is one of the few construction work allowed to continue. For now.

https://www.bizjournals.com/seattle/news/2020/04/04/sound-transit-halts-nearly-all-construction-on-its.html