Riding the T sometimes feels like a step back in time. Red Line cars that are 40 years old. Payment systems that are slow and inefficient. Underground stations that leak whenever it rains.

But David Block-Schachter, the MBTA’s chief technology officer, says the transit authority is changing. In an interview for The Codcast with Josh Fairchild and James Aloisi of TransitMatters, Block-Schachter, who doesn’t own a car or a driver’s license, provides a glimpse of what technology can do for the T.