On August 17, 2018, street of Beijing rash Gu Xi and politics the roundabout that amount to a road, first of Beijing " complete to crossroad " enable. After green light is bright, crossing place in the right way should stop to motor vehicle wait for a pedestrian to cross a street, the pedestrian can tread line of alternate pedestrian crosswalk inclined cross a street. Complete to crossroad it is the pedestrian that to protect a pedestrian safety passes roundabout one kind to install special signal system. After green light is bright, crossing place in the right way should stop to motor vehicle wait for a pedestrian to cross a street, the pedestrian can tread line of alternate pedestrian crosswalk inclined cross a street. The pedestrian in 15 seconds is exclusive and current time, the lamp all is person travel signal lamp green light, all car need to jockey wait, the pedestrian can tread line of alternate pedestrian crosswalk inclined cross a street, decrease expect time. Of Beijing choose rash Gu Xi to crossroad completely street and politics the roundabout that amount to a road serves as pilot, this crossing is located in Shi Jingshan area east, crossing periphery has 10 thousand to amount to the many office building such as the store, stream of people is concentrated. Motor vehicle of associate with of clew of the branch that make a valve, pedestrian notices to observe crossing signal lamp, when person travel signal lamp is green light, include right-hand rotation car inside all car are same jockey after stopping a line wait, ensure the pedestrian is safe.