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Consortium for standardization of interfaces of road traffic control


The ODG (OCIT Developer Group) is a consortium of signal construction companies. Their goal is to standardize the most important interfaces of traffic control systems under the brand OCIT®. OCIT Outstations is the communications standard between TSC controllers and traffic centers supported by leading signal companies. With the OCIT interface, the Internet technology is introduced throughout the traffic control from the road to the traffic control center. Traffic signal controllers, central components and the management area are combined in a system-wide network. With the integration of the cooperative radio-based infrastructure from the automotive sector (Car2X) into the OCIT system, new traffic information is available. Tools and test tools are available for the quality assurance of the OCIT interface. The consistent continuation of the OCIT standards by the industry guarantees the operators an investment and future protection of their manufacturer-mixed systems.



Meeting of the working groups

03. April 2019, München

04. April 2019, München

OCTS Harmonisierungsgremium
09. April 2019


Versions and informations


Rights of use company Sistra S.A.S

With effect of 20. June 2018 the company Sistra S.A.S. has acquired the rights to use the OCIT-O V2.0 Traffic Signal Controllers and OCIT-O Profile 2.


New OCIT-C version 2.0

The OCIT-C Version 2.0 includes new features needed to integrate cooperative vehicles into a traffic infrastructure system The new OCIT-C Version 2.0 is now available under Download.


English documentation for OCIT-O V3.0

The English documentation for OCIT-0 TSC version 3.0 and OCIT-O function mirror version 3.0 is available on the download page.


IT security of OCIT systems

The position paper of the ODG describes the possibilities of secure OCIT data connection over open networks, in particular over the Internet. The document is now available under Download.


Documentation for OCIT-O V3.0 and OCIT-O Car V1.0

The OCIT Developer Group uses the OCIT-O V3.0 interface to make traffic infrastructure access to the new Car2X technologies. Actual information, directly from the road user, the traffic situation can be influenced in a resource-saving manner by the operator of the traffic infrastructure. With the OCIT-O Car V1.0 interface, traffic information and traffic data can be provided or recorded outside the crossing area. The documents for OCOT-O V3.0 are available under Download.


Rights of use Comany Damatt GmbH

With effect of 26. February 2018 the company Damatt GmbH has acquired the rights to use the OCIT-O V2.0 Traffic Signal Controllers.

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