CBB is a regional traffic engineering and transportation planning consultant firm headquartered in St. Louis, Missouri. We offer a wide range transportation engineering and planning services to municipal, county, and state agencies, as well as to private industry and institutional clients. CBB is a 100 percent employee-owned firm. Our professional staff includes 12 licensed Professional Engineers (PE), all who are Professional Traffic Operations Engineers (PTOE) and 3 who are Professional Transportation Planners (PTP). We take pride in a free-thinking, innovative, and collaborative culture and strive to deliver transportation engineering and planning solutions for safer, more sustainable, and economically vibrant communities.