The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, for dated reference documents, only the version corresponding to the date applies to this document; for undated reference documents, the latest version (including all amendments) applies to this document. GB/T20609-2023 Traffic information collection microwave traffic flow detector GB/T28181 Public safety video surveillance network system information transmission, exchange, control technical requirements GB/T43229 Communication protocol between traffic signal control machine and vehicle detector
T/CTS 21-2024 history
2024T/CTS 21-2024 Microwave and video integrated traffic flow detector