How many interstates are there in Colorado?
Colorado has three main highways (two-digit routes), and two auxiliary highways (three-digit routes), totaling five Interstates, all are located within the Denver metropolitan area
<s>[QUESTION] How many interstates are there in Colorado? [CONTEXT]  [ANSWER] Colorado has three main highways (two-digit routes), and two auxiliary highways (three-digit routes), totaling five Interstates, all are located within the Denver metropolitan area </s>