Answer:positive and negative of your questions.positive things that we can cross in roads that aren't has vehicle crossing over or some lines in street to cross safely than crossing without lines,waits for stoplight to turn green for a safely cross over,watch your way when passing through the roads.negative things, crossing in the lane without watching them directly can lead to accident and mostly worst, because crossing in the road make sure that there's stoplight and lines when crossing, never runs to the road when some venichle passing by.