An updated collection of recent reports, research and analysis relating to Amtrak, rail transit and Positive Train Control.
Google’s “Street View” photographs can be used to predict if a town will vote Democrat or Republican. They can also be used to estimate a neighborhood's racial fabric.
The United States produces over 1 million barrels of ethanol a day, mostly from corn, to be mixed into gasoline. But is it cleaner? And are the government’s economic incentives having intended consequences? We review the research.
Ridesharing services such as Uber might help curb drunk driving crashes in some communities.
American road engineers are using temperature models that do not consider the warming climate, costing the country billions in early repairs, a new study finds.
The environmental impacts of burning coal are well known. But transporting coal can also hurt the health of people living nearby, a new study shows.
Critics of fuel-efficiency standards have long argued that, by making cars lighter, they make cars more dangerous. A new paper challenges this theory, arguing that they may be saving lives.
Federal laws protect air passengers and direct how airlines must compensate anyone bumped from a flight. This tip sheet helps journalists comb through the fine print.
The melting ice caps will not only impact our coastlines, but may radically alter international trade, a new study finds.
Airplanes are now the largest source of lead pollution in the United States. Americans hurt by lead exposure may be losing billions in lost wages.