The research project has the purpose to take up theoretical and practical questions of the traffic lights modernisation and to compile suggestions and recommendations.

The project will include also the development of traffic-technical and economic decisive criteria according to which modernisation measures can be planned and be realised. Furthermore the connection between the system state, investment value and cost development are taken into consideration. In addition, generally valid basic conditions of the introduction of new technologies should be investigated in existing systems and be adapted specifically to TL. Main trends in technique and technology will be described. The project results will also show how TL- operator can introduce new products and procedures certainly in the practise. The purpose of the research project exists in the creation of norm bases. These should support the operators of TL with the fulfilment of the previous tasks.