const int red1Pin = 2;    // Red LED for lane 1
const int yellow1Pin = 4; // Yellow LED for lane 1
const int green1Pin = 5;  // Green LED for lane 1
const int red2Pin = 12;   // Red LED for lane 2
const int yellow2Pin = 13;// Yellow LED for lane 2
const int green2Pin = 11; // Green LED for lane 2

// Traffic light timings
const int greenTime = 10000;
const int yellowTime = 2000; 
const int redTime = 5000;    

void setup() {
  // Set the LED pins as output pins
  pinMode(red1Pin, OUTPUT);
  pinMode(yellow1Pin, OUTPUT);
  pinMode(green1Pin, OUTPUT);
  pinMode(red2Pin, OUTPUT);
  pinMode(yellow2Pin, OUTPUT);
  pinMode(green2Pin, OUTPUT);
}

void loop() {
  // Set traffic light for lane 1
  digitalWrite(green1Pin, HIGH);
  delay(greenTime);
  digitalWrite(green1Pin, LOW);
  digitalWrite(yellow1Pin, HIGH);
  delay(yellowTime);
  digitalWrite(yellow1Pin, LOW);
  digitalWrite(red1Pin, HIGH);
  delay(redTime);
  digitalWrite(red1Pin, LOW);

  // Set traffic light for lane 2
  digitalWrite(red2Pin, HIGH);
  delay(redTime);
  digitalWrite(red2Pin, LOW);
  digitalWrite(yellow2Pin, HIGH);
  delay(yellowTime);
  digitalWrite(yellow2Pin, LOW);
  digitalWrite(green2Pin, HIGH);
  delay(greenTime);
  digitalWrite(green2Pin, LOW);
}