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.

I don't believe any sort of traveler does a better job than any other sort of traveler at obeying traffic safety laws. It's difficult to foresee a camera program that can be used with bikers and walkers.

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

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.

I'm surprised when I see someone doing the logical, commonsense thing: Walk facing the oncoming traffic.

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

I don't know of any source for online maps showing the platform, stairs, escalators, elevators, mezzanines and other station details.