Seattle’s Sound Transit is rethinking its names for two of its tunnel-boring machines after the issues a third tunnel-boring machine, Bertha, has been having in the city.Sound Transit’s two other boring machines — Brenda and Pamela — are going to be named Tunnel Boring Machine 1 and Tunnel Boring Machine 2, according to the Seattle Times.The reason, according to the paper, is because Sound Transit is worried about people mixing up the machines responsible for drilling light rail tunnels with the much larger machine that has been plagued with problems in downtown Seattle.Sound Transit’s work on the light rail tunnels
