This project wants to develop the public transportation in the city and suburb. The sky train project will construct the new routes to connect the city to suburb,it will make people who live in the city or suburb easy or convenience to go another places. The sky train project will solve or reduce the problem of traffic jam by people who want to go in to the city will use the sky train more than private car. It can save the gasoline of car, save the time to go in the city and save the world by reducing to release the pollution.