Credit: an app called EnLighten could change the way people get around town. (WTOP/Neal Augenstein)

Hacker: D.C. traffic system vulnerable

Red Line trains resume normal service after unscheduled repairs

Over-due paperwork puts Metro out of line with loan terms

Part of Wisconsin Ave. in Bethesda to shut down for construction

Purple Line ‘light’ could end up saving the line

Break down: D.C.’s parking and moving violation numbers for 2014