The problem Smart emergency vehicles and smart traffic system solves

Living in 21st century we all have latest technology which are useful in every field but we did not have any fully automatic technology at traffic signal which will reduce the traffic, open route for emergency vehicles like ambulance and collect the number of vehicles which crosses red signal so we develop a hi tech traffic signal based on iot technology which will give the solutions for all the problems mentioned above

Challenges we ran into

We had to deal with aurdino which was a big challenge as we have to show multiple led blinking by a single aurdino.