// Variables
 byte LuzV[4] = {32,19,26,4};
 byte LuzA[4] = {33,18,27,16};
 byte LuzR[4] = {25,5,14,17};
 

void setup() {
// Modo de trabajo 
for (int i=0 ; i<4;i++)   {
 pinMode(LuzV[i], OUTPUT);
 pinMode(LuzA[i], OUTPUT);
 pinMode(LuzR[i], OUTPUT); 
 digitalWrite(LuzR[i],HIGH);
 digitalWrite(LuzA[i],LOW);
 digitalWrite(LuzV[i],LOW);
  }

}

void loop() {
for ( int i=0 ; i<4 ; i++)   {
 // Luz Verde
   digitalWrite(LuzR[i],LOW);
   digitalWrite(LuzV[i],HIGH);
   delay(8000);
   digitalWrite(LuzV[i],LOW);
 // Luz Amarilla
   for ( int A=0 ; A<4 ; A++)    { 
     digitalWrite(LuzA[i],HIGH);
     delay(500);
     digitalWrite(LuzA[i],LOW);
     delay(500);                 }
 // Luz Roja
    digitalWrite(LuzR[i],HIGH);
 }
}