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100 years ago, anxiety prompted invention of yellow traffic light

Credit: Getty Images/iStockphoto/ktsimage

100 years ago, anxiety prompted invention of yellow traffic light

Major power outage from underground cable to blame for traffic snarl in Ballston

Major power outage from underground cable to blame for traffic snarl in Ballston

11 DC intersections that will soon be safer to walk through

11 DC intersections that will soon be safer to walk through

New traffic signal flashes where busy Veirs Mill Rd. meets pedestrian trail

New traffic signal flashes where busy Veirs Mill Rd. meets pedestrian trail

More traffic signal

100 years ago, anxiety prompted invention of yellow traffic light

100 years ago, anxiety prompted invention of yellow traffic light

Major power outage from underground cable to blame for traffic snarl in Ballston

Major power outage from underground cable to blame for traffic snarl in Ballston

11 DC intersections that will soon be safer to walk through

11 DC intersections that will soon be safer to walk through

New traffic signal flashes where busy Veirs Mill Rd. meets pedestrian trail

New traffic signal flashes where busy Veirs Mill Rd. meets pedestrian trail

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