Degree of availability of vehicles in vehicle park in a transport enterprise which basic activity is passengers and goods transport in most cases is tracked by factor of technical correctness. From tracking of this factor conclusions can be made about degree of efficiency of vehicle maintenance and use of its capacities, but it is a good indicator for performing activities and taking measures in organization of exploits of capacities. Indicts of this factor is unbeatable but influence of its

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... nge on executing the transport business is seen afterwards. New period for tracking technical correctness is necessary to see irregularity in volume of transported goods. In this paper a view of a model for quantification the technical correctness of vehicles in vehicle Park in correlation of volume of irregularity between supposed and executed transport job. This exploration was done for checking the model in JSP Skopje.