Complex sentence: For both terms to apply, in Wisconsin, a divided highway must be at least four lanes wide; in Missouri, both terms apply only to divided highways at least 10 miles long that are not part of the Interstate Highway System.
Split into simpler sentences: For both terms to apply in Wisconsin, a divided highway must be at least four lanes wide. In Missouri, both terms apply only to divided highways at least 10 miles long that are not part of the Interstate Highway System.