CSR Engineering, Inc

Some general links we have found useful:

ACEC                American Council of Engineering Companies

ASCE                 American Society of Civil Engineers  

AASHTO         American Association of State Highway Transportation Officials

TDEC                Tennessee Department of Environment and Conservation

USGBC             United States Green Building Council  

AREMA                The American Railway Engineering and Maintenance-of-Way Association

ASLRRA               American Short Line Regional Railroad Association

FRA                         Federal Railroad Administration

FTA                         Federal Transit Administration

OLI                          Operation Lifesaver

TNOL                     Tennessee Operation Livesaver

MCS                        Music City Star