int redCar =9;
int yellowCar=10;
int greenCar=11;
int redPed=12;
int greenPed=13;
int button = 8;
int crossTime = 3000;
unsigned long changeTime;

void setup(){
  //timer
  changeTime=millis();
  pinMode(redCar, OUTPUT);
  pinMode(yellowCar, OUTPUT);
  pinMode(greenCar, OUTPUT);
  pinMode(redPed, OUTPUT);
  pinMode(greenPed, OUTPUT);
  pinMode(button, INPUT);

  //turn
  digitalWrite(greenCar, HIGH);
  digitalWrite(redPed, HIGH);
  digitalWrite(redCar, LOW);
  digitalWrite(yellowCar, LOW);
  digitalWrite(greenPed, LOW);
  Serial.begin(9600);
}
void loop(){
  int state = digitalRead(button);
  Serial.println(state);
  if (state==HIGH && (millis()-changeTime)>10000){
    changeList();
  }
}

void changeList(){
  digitalWrite(greenCar, LOW);
  digitalWrite(yellowCar, HIGH);
  delay(2000);

  digitalWrite(yellowCar, LOW);
  digitalWrite(redCar, HIGH);

  digitalWrite(redPed, LOW);
  digitalWrite(greenPed, HIGH);
  delay(crossTime);

  //
  for (int x=0; x<10; x++){
    digitalWrite(greenPed, LOW);
    delay(100);
    digitalWrite(greenPed, HIGH);
    delay(100);
  }
  digitalWrite(greenPed, LOW);
  digitalWrite(redCar, LOW);
  digitalWrite(redPed, HIGH);
  digitalWrite(greenCar, HIGH);

  changeTime=millis();
}

//Cr:NerdT