When different generations of cars are combined into one train, it messes with the loudspeaker system.

There are easily accessible programs to help aging drivers maintain their skills, or recognize when they need to give up their cars.

If you think your job requires you to endanger people, get another job.

If the Metro general manager, Paul Wiedefeld, says those extra hours for maintenance are necessary to help fix the system and make it safer, then that gets top priority.

I think that maps showing platform details would be useful to visitors, especially to chaperones of school groups, etc. Also useful would be either a compass rose or an arrow pointing North at every metro exit. Emerging from underground is disorienting, especially at night.

That's the original problem from which the escalator mess stems. There's just too many of them.

Metro, built in the late 20th century, is the most escalator-dependent system in the world.