Source: N.J. Transit audit indicated safety violations
Federal regulators launched a "deep audit" of the agency's operations in June
All eyes on engineer in Hoboken train crash
Accident investigators will reconstruct the train engineer's last 72 hours, including a look at his medical history
Safety of lithium-ion batteries questioned after phone recall
Next few months will be busy for Samsung as it replaces 2.5 million brand new smartphones – recalled last week because their batteries can catch fire
Cuba airport security causes senators to call for pause in U.S.-Cuba flights
But TSA says it has reviewed operations at eight of the 10 Cuban airports set to provide flights to and from the U.S. -- here's a look at what Cuban airport security was like for CBS News during the first commercial flights
Federal regulators moves to limit speeds of large trucks and buses
The move would cap the speed of new large vehicles between 60 and 68 miles per hour
Traffic deaths spike in first half of 2016
The National Safety Council found that traffic fatalities in the first six months of 2016 jumped 18 percent over the same period in 2014
Big Brother in Baltimore? Aerial surveillance raises questions
Technology made by Persistent Surveillance Systems is meant to help fight crime -- but some think footage taken without the public's knowledge amounts to spying
Airfares hit a six-year low -- just in time for a final summer vacation
Ticket prices have dropped way down this summer, and discount airlines are partially responsible
New automaker technology could prevent hot car deaths
A first-of-its-kind alarm system from General Motors alerts the driver at the end of any trip if the rear door was previously opened, reminding them to check the back seat
Why half a million hoverboards are being recalled
The hot gift from last Christmas has had a nasty habit of getting too hot and catching fire
Trooper: Flood-damaged West Virginia "looks like a war zone"
"Everybody lost everything," resident says of devastating floods that left at least two dozen people dead
Meet Piper, a dog helping protect planes from bird strikes
Piper protects aircraft at the Traverse City, Michigan, airport from birds and other wildlife; and has become a social media star
Bomb-sniffing dogs help speed up airport security lines
At some of the busiest airports, bomb-sniffing dogs are helping to speed up security lines; but the only problem is: there aren't enough of them
Crumbling bridges, cratered roads and leaking metros
Experts say if we don't fix the country's infrastructure commutes will get longer, roads deadlier and goods will take longer to get to market
New crash tests used to rank "muscle cars"
The tests, out today, have important news for drivers of so-called "muscle cars" -- symbols of freedom and open roads as American as apple pie