Tier 2

Granite City to St. Louis

Project Study Team

HSR Group The Consultant Team selected to perform this work is comprised of the HSR Group, a joint venture between Michael Baker Jr., Inc. and STV Inc.  Sub-consultants supporting this joint venture include Added Dimension LLC; EFK Moen LLC; Huff and Huff, Inc.; Images Inc.; LTK Engineering Services; Quigg Engineering Inc.; and Wang Engineering, Inc.