go sign

go sign traffic signal green light road safety instruction direction movement proceed start intersection vehicle pedestrian roadway control regulation transportation guidance caution alert street sign public road rule navigation highway crosswalk stoplight driving signal indicator traffic management safe passage go ahead permission alert notify road instruction traffic control green signal travel pathway transit safety guideline roadway alert permission proceed ahead move forward traffic signage intersection guidance street regulation vehicle movement public safety instruction direction sign traffic alert roadway control signal permission go ahead travel pathway roadway indicator transit guidance motion signal roadway alert safe movement traffic instruction sign