Abstract
Average speed enforcement systems have been used on the roads of foreign countries for many years already, and give a positive effect on reducing accident number. The article presents good practices in the use of average speed enforcement systems in various countries and their impact on improving traffic safety. The article analyses the experience of system installation on the roads of Lithuania and the first results. The article also proposes methodologies for the selection of road sections to be enforced, the equipment used, and distribution of road sections in the road network of Lithuania. A detail analysis is given of the effect of average speed enforcement systems after their installation in three different periods on 25 road sections. The analysed data is differentiated between main and national roads. Conclusions and recommendations are given at the end of the paper for a future development of average speed enforcement systems.
Highlights
Speeding is one of the most frequent violations of traffic rules by the road users
During the first period, when the average speed enforcement systems operated in a testing regime, the number of vehicles driving at a permissible speed (90 km/h) was Vehicle speed data 0.18% 8.45%
During the second period, when the average speed enforcement systems operated continuously and the drivers understood that they would be penalized for their speed limit violations, the number of vehicles driving at a permissible speed increased to 91.37% (Fig. 6)
Summary
Speeding is one of the most frequent violations of traffic rules by the road users. Approximately 50% of drivers exceed the speed limits (European Commission, 2018; Joint Transport Research Centre, 2006; Yannis, Louca, Vardaki, & Kanellaidis, 2013). De Pauw, Daniels, Brijs, Hermans, & Wets (2014b) have found that installation of speed cameras has a major effect on the reduction in the number of fatal and serious injury accidents at a distance of 250 m from the speed camera. Road sections selected for the installation of average speed enforcement systems on main and national roads of Lithuania were set out in priority order. If on the road section during last 4 years the cause of fatal or injury accident reported by the Traffic Police was excessive speed, the road section is given 30 points. On main and national roads of Lithuania, the average speed enforcement systems TraffiSection VECTOR P2P were activated in December 2017 and were operating in a testing regime (data were collected but the drivers were not penalized). In Lithuania, average speed enforcement systems are operating on 25 road sections of national significance: on main roads there are 18 sections with a total length of 84.159 km, on national roads there are 7 sections with a total length of 19.599 km (Fig. 2)
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