Map centered on i-75 at Woodward Ave. On initial page load . Use map controls to zoom . or choose from Traffic Directory. About the i-75 in Detroit . Is one of the main interstate highway routes and traffic corridors that travels across the metro Detroit and Wayne County areas.

Map centered on i-90 at i-290. On initial page load . Use map controls to zoom . or choose from Traffic Directory. About the i-90 in Chicago . In Chicago is one of the main north-south interstate highway routes through the greater metro Chicago area. The i-90 travels generally in a north-northwesterly and south-southeasterly direction across metro Chicago.