Resumen
This article aims to identify determinants which influence the quality of service on the road freight market. In doing so it focuses on five aspects of carrier activity within the said market, namely the processes leading to the internationalization of operations, innovative mechanisms and technological solutions dedicated to this branch, as well as the formal, legal, economical, and ecological conditions involved. During the course of study the above mentioned factors were subjected to the evaluation of the carriers. The article presents the results of the said study and identifies the most important aspects which, according to the respondents, play a vital role in influencing the quality of services they offer. The study was conducted by way of both in-person and telephone interviews.