Who invented the traffic light? It happened right here in Cleveland
Cleveland’s Garrett Morgan did. His 1923 design improved road safety, and his legacy still impacts drivers globally today.
来自MSN3 个月
Power restored to stretch of traffic lights in downtown Cleveland
CLEVELAND, Ohio (WOIO) - Power returns to traffic lights downtown after being out for hours. Some lights on East 9th Street flipped back on a little after 8 a.m. Friday morning. Cleveland Public ...