WIS 30 has three interchanges between termini: one at Fair Oaks Avenue, one at Stoughton Road (US 51) and a half-diamond at North Thompson Drive (CTH-T).
WIS 30 has three points of connection to other roads or highways: one at Fair Oaks Avenue, another at Stoughton Road (US 51), and a partial diamond at North Thompson Drive (CTH-T).