Abstract
The current article presents a roundabout traffic model based on cellular automata for computer simulation. The model takes into account various sizes of roundabouts, as well as various types and maximum speeds of vehicles. A realistic vehicle braking phase is presented which is adjusted to the kind of vehicle and weather conditions. It also analyses roundabout traffic options including where the various rules for entering and exiting a roundabout apply. Traffic rules are contained in respective traffic scenarios. The simulation results indicate that there is significant scope for roundabout traffic reorganisation, with a mind to increasing roundabout capacity.
Highlights
IntroductionThere is an on-going increase in the number of vehicles on the road
In most urban areas, there is an on-going increase in the number of vehicles on the road
The object of the simulation experiment was to check whether roundabout traffic reorganisation has an effect on the roundabout capacity
Summary
There is an on-going increase in the number of vehicles on the road. For road authorities, taking measures to improve traffic efficiency and the safety of its participants is essential. Amongst research in this field [1,2,3], studies on traffic theories [3], models [4], and traffic modelling for one- and two-way roads and roundabouts appear to be the most promising. Such analyses are significantly facilitated by computer simulations [5], which help to visualise the object of the research. Leaf and Preusser [7]
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