Abstract
The subject of this publication is the use of top-of-the-range driving simulators to study the impact of ITS services on the road safety. The aim of the article is to describe the assumptions of simulation studies carried out as part of the RID 4D project and to present the method of building research scenarios. The article discusses the catalogue of ITS services of the greatest importance to the Road Traffic Safety and traffic efficiency developed under the project. Then, services from the catalogue were specified, which were tested on the driving simulator of the Motor Transport Institute. The tests included sections of a dual-lane expressway. As a result of the work, four scenarios were created containing various dangerous events and variable message boards informing drivers about the danger and/or limiting the permitted speed. During the simulation, a set of several dozen parameters related to vehicle motion was recorded, in particular the distance to the vehicle ahead, time to collision with another vehicle or object on the road, speed, intensity of braking and acceleration. The tests were performed for good and bad weather conditions on a 60-person study group. The division into age groups 18-24, 25-50 and above 50 years was applied. The research showed a difference in the way drivers of static signs and speed limits on the variable message signs affect drivers. For variable messages signs, there was a greater decrease in speed than in the case of static signs.
Highlights
The aim of the article is to describe the assumptions and methods of performing simulator tests carried out as part of the Road Innovations Development program (RID) 4D project
The road safety analyses conducted as part of the project show that about 95% of traffic incidents are caused by improper behaviour of the road users [1,2]
Studies have shown that drivers have reacted more strongly to the speed limits displayed on variable messages signs than speed limits on static road signs
Summary
The aim of the article is to describe the assumptions and methods of performing simulator tests carried out as part of the RID 4D project. The subject of the publication is using thetop-of-the-range driving simulator to evaluate the impact of ITS services on the road users behaviour. As part of the project work, a number of analyses of the state of road traffic safety in Poland were carried out. The data shows that every year, as a result of traffic incidents, several thousand people die in Poland and a dozen thousand are injured [1]. The road safety analyses conducted as part of the project show that about 95% of traffic incidents are caused by improper behaviour of the road users [1,2]. The most common causes of accidents include, among the others, non-adaptation of speed to the traffic conditions, failure to give priority to cross, incorrect overtaking, incorrect behaviour towards pedestrians, or failure to maintain a safe distance between vehicles [1]
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