I was studying in an electronics school for a while. Let me tell you the most cost-effective way to take a bus. Take a bus from Yongchuan Automobile Team 25 to Bishan. When you get to Bishan, buy a car in the university town, and then go directly to the electronic engineering school. Get off behind the school, then take 902 or a tricycle to go directly to your school! Haha, the price may be less than 30