subways

DC’s Metro Should Probably Just Take A Few Months Off

DC’s Metro Should Probably Just Take A Few Months Off

Washington DC’s subway is scheduled to be shut down for an extended period of time to deal with a slew of deferred maintenance. But after today’s service problem — literal waterfalls in one station — maybe DC’s Metro needs a holiday sooner than that.

A New Algorithm Can Predict Train Delays Two Hours Before They Happen

A New Algorithm Can Predict Train Delays Two Hours Before They Happen

You probably check the weather forecast before you head out the door, but soon you might be able to check the subway forecast as well. Mathematicians in Sweden have developed a new algorithm that can predict when trains will be delayed, letting commuters avoid delays and better plan their travel.