Subject reviewThis paper investigates the structure of transport relations in the Croatian road freight transport system. The paper is based on data from the Croatian Central Bureau of Statistics, according to statistical reports entitled "Transport and communications". The observed period is 2002 ÷ 2012. It analyzes the absolute and relative structure of transport relations according to the established categories in the Croatian road freight transport. It includes the graphical analysis of absolute and relative structure of transport relations in the Croatian road freight transport, according to the amount of road freight substrate and realised transport performance through the studied categories of transport relations. It analyzes the structure of transport relations of road freight substrate in the Croatian transport system, with the use of mathematical statistics, above all mathematical forecasting models to evaluate statistical significance regarding the trend of the studied variable. The survey established statistically significant trends of changes in the structure of transport relations and their absolute and relative share in meeting freight transport demand as well as the realised transport performance on these relations. Keywords: dynamics and trends of tansport relations; road freight substrate; road transportation Dinamika i trendovi razvitka transportnih relacija u cestovnom teretnom prometuPregledni članak Ovim radom izučava se struktura transportnih relacija u hrvatskom cestovnom teretnom prometnom sustavu. Rad se temelji na podacima Državnog zavoda za statistiku Republike Hrvatske prema statističkim izvješćima pod nazivom "Transport i komunikacije". Izučavano je vremensko razdoblje od 2002. ÷ 2012. godine. Analizira se apsolutna i relativna struktura transportnih relacija prema utvrđenim kategorijama u hrvatskom cestovnom teretnom prometu. Vrši se grafička analiza apsolutne i relativne strukture transportnih relacija u hrvatskom cestovnom teretnom prometu prema količini cestovnog teretnog supstrata i ostvarenom transportnom radu prema izučavanim kategorijama transportnih relacija. Analizira se struktura transportnih relacija cestovnog teretnog supstrata u hrvatskom prometnom sustavu, uz korištenje metoda matematičke statistike, prije svega matematičkih prognostičkih modela kojima se ocjenjuje statistička signifikantnost trenda izučavane varijable. Istraživanjem su ustanovljeni statistički signifikantni trendovi promjena u strukturi transportnih relacija i njihovoga apsolutnog i relativnog udjela podmirenju teretne transportne potražnje kao i ostvarenom transportnom radu na tim relacijama. Ključne riječi: cestovni promet; cestovni teretni supstrat; dinamika i trendovi transportnih relacija

Young drivers represent the most vulnerable age group at risk of participating in traffic accidents. In order to reduce the occurrence of traffic accidents involving young drivers, various models for assessing the risk of accidents have been studied. Inexperience, lack of driving skills and risky behaviour in traffic are the main characteristics of traffic accidents involving young adult drivers. On the contrary, traffic accidents involving older adult drivers are characterised by reduced visual and cognitive stimuli and reduced mobility. Based on the data about traffic accidents from the available databases relevant for road traffic safety in the Republic of Kosovo over a four-year period, the road characteristics that caused the majority of traffic accidents involving young adult drivers and the subjective  and objective factors that affected the occurrence of traffic accidents the most have been defined. To conclude the research, a correlation has been defined between objective and subjective factors that increase the risk of traffic accidents, as well as the  frequency of single safety factors (human, vehicle, road and environment) in traffic accidents involving young adult drivers.

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