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**This includes three-digit Interstate spurs and loops (e.g., I-610; I-585).
**This includes the [[wikipedia:List of gaps in Interstate Highways#At-grade intersections and traffic lights|undivided and/or narrow portions of the Interstate Highway System]].
**This does '''not''' include portions of the Interstate Highway System that are intersected at grade '''with traffic lights'''.
[[https://wiki.waze.com/wiki/Wyoming |(e.g., Interstate 180) ]]
**This does '''not''' include Interstate Business Loops and Business Spurs (e.g., I-69 Business Loop), '''unless''' they meet the standards for Other Freeways and Expressways defined below.
*Roads classified in FHWA's functional classification as '''Other Freeways and Expressways''' which meet the criteria of a [[wikipedia:controlled-access highway|controlled-access highway]]: