Interstate 680

There are several interstate highways numbered 680 in the United States . These are bypasses and relief routes for Interstate Highway 80 . Three-digit numbers designate freeway rings and feeders to more important one- and two-digit interstate highways, they are often assigned in several states at the same time for different routes

• Interstate 680 (California)
• Interstate 680 (Iowa-Nebraska)
• Interstate 680 (Ohio)

This is a disambiguation page for differentiating between several terms identified with the same word.