FREE is always good It was my first time in Downtown Houston, TX and I didn't know that there is a free bus. Since I sold my car, I get used to commute public transportation. With greenlink bus, I was able to see the city and it was very great experience. Every 15-20 minutes it runs and I really like it I was going to a barber shop and took one of this Greenlink bus. and it was very easy to commute around downtown houston. read more