The MTA is beginning the process of replacing its older work trains with newer and more environmentally friendly ones.

DDOT announced in a news release Monday that it was ramping up the frequency of buses to 13 of its routes. There will also be expanded service hours to 17 routes on weekends. The series of expansions ...

Getting to that point would cost billions of dollars, but Metro says it would also make the system cheaper to run in the long ...