This westbound face sits I-270 from Boeing Aerospace Defense Headquarters. Other nearby businesses: Mallinckrodt Medical, Convergys, GKN Aerospace and numerous other mid-size and small businesses. I-270 carries traffic to the North St. Louis County suburbs which include the large municipalities of Hazelwood, Bridgeton and Florissant. This face read to traffic headed toward I-270/I-370 interchange. I-370 carries commuters to and from St. Charles County.