Over the decades, you got various companies involved in making escalators and you've got Metro varying between internal repair crews and contractors. They're dealing with old equipment, which of course is prone to break down, and the repair crews don't even know what's busted or who made the busted parts till they tear the things open. Then sometimes they have to go back to the shop and manufacture parts, because the original maker has gone out of business.

The cars themselves are getting smarter and will be increasingly able to assist drivers - to the point where the cars will be completely automated.

If you're driving more than 50 mph through a neighborhood where the speed limit is 25 mph, I question whether you should keep your driver's license. You're a menace to society.

Tolling plan is a wonderful opportunity for political pandering, and some candidates are taking full advantage of it.

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.

Motors that are vulnerable to shorting out because of snow ingestion should have snow filters installed over air intakes, and spare motors should be ready to replace any failed motors.

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