Abstract:The applica on of intelligent transport systems (hereina er ITSs) on roads enables con nuous monitoring of road users during a whole year with the aim to collect good-quality data based on which the more complex analyses could be done, such as monitoring of certain traffi c safety indicators. Automa c traffi c counters are one of the most commonly implemented ITSs for collec ng traffi c fl ow parameters that are relevant for traffi c management on state roads in Republic of Serbia. This paper presents one of the possible ways to collect, analyze and present data on road users' speeds using automa c traffi c counters, where certain traffi c safety indicators are analyzed in terms of road users' compliance with the speed limit on the road sec on from Mali Pozarevac to Kragujevac. Based on the analyses of data downloaded from automa c traffi c counters, it is observed that an extremely high percentage of vehicles drive at speed higher than the speed limit, indica ng clearly to higher traffi c accident risk, as well as to the need for a tendency to implement speed management on roads using ITS in the forthcoming period.
The crossings of railway and road can represent a great danger, especially in the case of poor design of these crossings, lack of management measures and inadequate provision of road crossing. Such situations are common on the road network of the Republic of Serbia. Namely, more than 50% of all road crossings on state roads in the Republic of Serbia are not adequately equipped and provided with traffic signalization and road equipment. It is evident that this problem requires timely measures and finding an adequate solution in order to efficiently implement road and rail traffic and reduce the risk of negative effects. This situation also results in the occurrence of traffic accidents at road-level crossings, the number of which has not decreased over the years. In this paper, the traffic-spatial analysis of road-rail crossings on state roads in the Republic of Serbia is performed, which includes a total of 245 road-rail crossings. The analysis was conducted in order to determine the existing situation and identify deficiencies in the network, on the basis of which adequate design and management measures will be proposed to improve the existing condition.
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