Should I buy a mountain bike or a road bike?

I'm a college student interested in buying a bike. I'm going to use it mostly to ride around campus and around the city. I'm 6'3" and about 300 lbs. I have only ever ridden mountain bikes but have good things about road bikes. I keep asking my friends but am getting mixed answers. Which... show more I'm a college student interested in buying a bike. I'm going to use it mostly to ride around campus and around the city. I'm 6'3" and about 300 lbs. I have only ever ridden mountain bikes but have good things about road bikes. I keep asking my friends but am getting mixed answers. Which should I get?
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