Hoping to keep pollution out of the water, agencies are looking for ways to convince -- sometimes compel -- property owners to inspect and repair them.
Advocates and states disagree over the effectiveness of ignition interlocks, which are basically car breathalyzers, versus 24/7 sobriety. Congress, though, will soon weigh in.
Over the last decade, many have stopped funding it. Are the roads more dangerous?
To avoid a traffic nightmare for millions of Americans, Congress is giving railroads more time to install a safety system to prevent deadly crashes.