Montgomery County December 29, 2017 7:05 pm Montgomery County Tests ‘Smart' Traffic Signals In the new year, several local communities will experiment with new “smart” signals that could help you speed up your commute. News4’s Scott MacFarlane reports. Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus 3:08 Family holds memorial for brothers, 3 and 6, who died after Clifton house fire 2:05 ‘People immediately hit the ground': 6 hurt in shooting outside DC nightclub 2:20 Driver accused of deadly hit and run of skateboarder held without bail