Correction 7/25/24 7:55 a.m. ET: The map caption for this story has been updated to note USHSR's proposed high-speed rail network would be 17,000 miles long, not 7,000 as initially stated.

Update 5/7/24, 7:46 a.m. ET: Comment from Cascadia Rail has been added and the headline updated to reflect that the map shows the high-speed rail service's possible route.