{"version":"1","chapters":[{"title":"Introduction: A New Series - \"Who Invented?\"","startTime":0,"endTime":202},{"title":"The First Traffic Signal (And Why It Exploded)","startTime":202,"endTime":364},{"title":"The Electric Revolution in the United States","startTime":364,"endTime":590},{"title":"The Unsung Hero: Garrett Morgan","startTime":590,"endTime":770},{"title":"The Future of Traffic Lights","startTime":770,"endTime":1042}]}