Survey & Engineering Services, District 6, Maryland Department of Transportation – State Highway Administration: CST, in joint venture with another firm, is providing civil and highway engineering, structural engineering, traffic engineering, and utility engineering design services to MDOT SHA’s District 6 Engineering Systems Team.  Assignments have included a study to evaluate the feasibility of installing ADA-compliant sidewalks along a section of US 40 ALT; traffic analyses associated with a resurfacing feasibility study; and traffic engineering design services associated with proposed improvements on I-81.