int LV01=8;
int LA01=9;
int LR01=10;

int LV02=5;
int LA02=6;
int LR02=7;

int LV03=2;
int LA03=3;
int LR03=4;

void setup() {
 
 pinMode(LV01,OUTPUT);
 pinMode(LA01, OUTPUT);
 pinMode(LR01, OUTPUT);

 pinMode(LV02, OUTPUT);
 pinMode(LA02, OUTPUT);
 pinMode(LR02, OUTPUT);

 pinMode(LV03, OUTPUT);
 pinMode(LA03, OUTPUT);
 pinMode(LR03, OUTPUT);

 digitalWrite(LV01, LOW);
 digitalWrite(LA01, LOW);
 digitalWrite(LR01, HIGH);

  digitalWrite(LV02,LOW);
 digitalWrite(LA02,LOW);
 digitalWrite(LR02,HIGH);

  digitalWrite(LV03,LOW);
 digitalWrite(LA03,LOW);
 digitalWrite(LR03,HIGH);

}

void loop() {

  digitalWrite(LR01, LOW);
  digitalWrite(LV01, HIGH);
delay(6000);
  digitalWrite(LV01, LOW);


//// Interseccion 01//////////
  for (int i=1; i<=8;i++){
    digitalWrite(LA01,!digitalRead(LA01));
    delay(500);
  }
 digitalWrite(LR01, HIGH);

 //// Interseccion 02 ///////////

  digitalWrite(LR02, LOW);
  digitalWrite(LV02, HIGH);
delay(6000);
  digitalWrite(LV02, LOW);

  for (int i=1; i<=8;i++){
    digitalWrite(LA02,!digitalRead(LA02));
    delay(500);
  }
 digitalWrite(LR02, HIGH); 

 //// Interseccion 03 ///////////

  digitalWrite(LR03, LOW);
  digitalWrite(LV03, HIGH);
delay(6000);
  digitalWrite(LV03, LOW);
  
  for (int i=1; i<=8;i++){
    digitalWrite(LA03,!digitalRead(LA03));
    delay(500);
  }
 digitalWrite(LR03, HIGH); 
  }