KCSA appoints consultants for KC Streetcar extension May 18, 2017 | North America Company News The consortium of HDR, Burns & McDonnell, HNTB, Trekk Design Group, Hg Consult, Parson + Associates, VSM Engineering and Architectural & Historical Research has been appointed as architects, e... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password