Intersections with interstate highways 2026-03-16 Roadnow Intersections with interstate highways MAP I-580CA, near Castro Valley, Maryland map nearbyMAP I-580CA, near Castro Valley, Maryland map nearbyMAP I-238CA, near Castro Valley, Maryland map nearbyMAP I-580CA, near Castro Valley, Maryland map nearbyMAP I-238CA, near Hayward, Maryland map nearbyMAP I-580CA, near Hayward, Maryland map nearby