信号升级后恢复MBTA红线服务. MBTA Red Line service restored after signal upgrades.

机动交通局已经完成红线信号升级,在2019年脱轨后近七年恢复服务. The MBTA has completed signal upgrades on the Red Line, restoring service nearly seven years after a 2019 derailment. 虽然计划在今年春天进行最后调整, 但该项目将提前完成. The project, finished ahead of schedule at Columbia Junction, will improve train routing and reliability, though final adjustments are planned for later this spring.