Great right hand read digital sign viewed by southbound I-170 drivers north of the St. Charles Rock Road. Commuters include residents from St. Charles County, North St. Louis County and Mid-St. Louis County, as well those leaving Lambert International Airport. This sign is also viewed when traveling toward the affluent residential and business districts of Clayton. Employers nearby: Boeing, Enterprise Holdings, Dr. Pepper Snapple Group and The University of Missouri St. Louis. I-170 also leads directly the St. Louis Galleria Mall. It is most heavily traveled by local St. Louis residents.