Jacksonville, FL / Accesswire / December 16, 2021 / Duos Technologies Group, Inc. ("Duos" or the "Company") (NASDAQ:DUOT) through its operating subsidiary Duos Technologies, Inc. a provider of vision based analytical technology solutions, has been awarded a contract for an additional turn-key Railcar Inspection Portal (rip®) with existing customer CSX Corporation ("CSX") (NASDAQ:CSX).