There are many accidents happening in the cities when drivers drive too fast, don't see the passengers at the crossroads, are drunk or don't see the red light. These accidents are especially bad if they happen next to schools and/or parks where children play. To save our children, make their road crossing safer and parents more relaxed to let them go alone in the school, I suggest putting automatic safety pillars next to cross roads close to schools.
Safety pillars are sometimes used to prevent cars from passing on the pavement or entering a pedestrian zone. The same system could be applied to the crossroads where a lot of children pass.
The pillars would be underground and would automatically lift when the light turns red for the cars. Once the pillars are up, green light for pedestrian would appear. If there is no traffic light, pedestrians could activate safety pillars by pressing a button. Yellow light would appear blinking on the signs 50 meters before the crossroad and the pillars would lift to clear the passage for the kids to pass.
Do you have any ideas how we could make this more convenient for usage, safer for the kids and the car drivers?