This is a city traffic network simulation with car and bus operations. If you want to see the working simulation simply go to:
http://felipecastrillon.github.io/mfd_simulation_bus/
Unfortunately, web browsers block java applets nowadays. You might need a workaraound: https://www.java.com/en/download/faq/exception_sitelist.xml
Or you can download the project and run with locally on a terminal using "java -jar jar-file". The other option is to load the project folder into an IDE and run it from there.
The jar file is found on CityCA_4way_beta/dist/CityCA.jar
The libraries are found on CityCA_4way_beta/dist/lib/. These might need to be added manually if there are errors.