As our eyes age, they have a tougher and tougher time adjusting to rapid changes in lighting, and we need to be aware of this.

SafeTrack - I keep saying this - is not going to fix Metro. It's a speeded up track work program, compressing three years of already planned work on the track bed into about a year.

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.

Seems like people could behave themselves without making a calculation regarding how likely or unlikely they are to kill other people.

Many police officers watch for vehicles without headlights because it's a telltale of a drunk driver.

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

Drivers tend to look for other drivers, rather than for pedestrians or cyclists.