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In this paper, we study an NP-hard lane reservation problem on transportation network. By selecting lanes to be reserved on the existing transportation network under some special situations, the transportation tasks can be accomplished on the reserved lanes with satisfying the condition of time or safety. Lane reservation strategy is a flexible and economic method for traffic management. However,...
In the current era of ubiquitous connectivity, wireless communication technologies have enabled a kaleidoscopic array of applications that revolutionize many aspects of commercial activities and public services. Quietly, but not entirely inconspicuously, in recent years the very revolution that redefines the landscape of user experience and business models is encroaching into the next frontier - automobiles...
China is striving to build "smooth, efficient, safe, green" transport system, which demand highway to meet traffic safety functional requirements and ensure the safety of roadside ecological environment as well. A lot of research in highway traffic safety at home and abroad have been carried out and achieved considerable results. However, there are few researches to combine the highway traffic...
Along with the continual improvement of rural residents' living conditions, the passenger transport demand grows increasingly. However, the present backward vehicles, the traffic mode, the supervision system and the rural residents' consciousness of traffic safe can not adapt to the realistic demand of safe transportation under the current rural road condition; which makes traffic accidents show a...
Safety, Health and Environment (SHE) Code of Practice (COP) is introduced as one of the road safety intervention programmes as guidance for bus operators to implement safety and health in their working environment. The objective of this study is to investigate the effectiveness of SHE COP implementation of a single bus operator that has adopted one man operation. The data was collected by completing...
Based on survey to the intersection of the main roads in Maanshan City, the paper combines the Industry Engineering theories and methods, gathers data and information about the intersection by the Work Sampling and Stopwatch to Time method, determines the average waiting time of vehicles by the M/D/1 model of queuing theory, carries out the comprehensive improvement to the existing access program...
China economy rapidly developed in recent years. Beijing is the representative large city with preferable construction of urban public transport system in China. Therefore, it has important practical significance to research the influential action of urban public traffic modes in Beijing public transport system. On the basis of the four factors- safety factor, convenience factor, comfort factor and...
Vehicles in Intelligent Transportation System employ IEEE 802.11p/1609 protocols to communicate with other vehicles or roadside infrastructure within a specific area. Messages related with traffic safety can be delivered timely for collision avoidance and etc. Meanwhile, non-safety related infotainment messages can also be transmitted besides safety-critical information. Many of the safety critical...
This paper describes the experimental design for the field tests of safety applications within the scope of Networked Traveler Project currently being conducted in California, which is part of the US Department of Transportation (USDOT) and California DOT-sponsored Safe-Trip 21 Initiative. The safety applications are designed to provide drivers with alerts of situational awareness in highway driving...
This study aims at improving China's rural road safety situation and promoting the rural road safety audit since the total length of rural roads takes up an extremely large proportion of the total length of roads and the traffic safety is facing a grim situation in recent years in China. The author of this paper analyses the rural road safety problem in China by consulting large amounts of data. Comparing...
There is a big number of pedestrians on Chinese urban roads. A specific study on pedestrian crossing is therefore significant in ensuring pedestrian safety and convenience. This article analyzed that the increase in pedestrian traffic accidents resulted from the pedestrian violation of traffic rules and the poor crossing facilities. Based on the improvement of pedestrian crossing facilities, the article...
Safety topic as the same as many topics in transportation system, impresses many factors and is influenced by the other factors. In Iran the most attention was concentrated in executive engineering activities and it was conceived that with only physical adjustments, accident rate will be reduced. In recently years identification and remedying of Accident prone zones was considered by experts, but...
Characteristics of pavement surface play an important role in both the safety and comfort of drivers. Inadequate friction or skid resistance can lead to road accidents due to skidding. Aggregates properties such as size, shape, texture and gradation play an important part in providing friction or skid resistance on a pavement surface. This paper evaluates the effect of coarse aggregate shape on the...
Intelligent transportation system (ITS) refers to efforts to add communications technology to transport infrastructure in a way to manage factors that usually are at odds with each other such as vehicle wear, safety, fuel consumption, transportation times and air pollution. Traffic modeling of passengers in large cities is one of ITS branches. In such cities like Tabriz, passenger traffic congestion...
Stand-alone cameras or CCTV networks are nowadays commonly present in public areas such as city centers, stores and more recently in transportation infrastructures. In the meantime, automatic processing of video data is a field of activity stirring up the utmost attention in the pattern recognition community; state-of-the-art advances in this area enable the reliable extraction of features and the...
It is essential to do the evaluation on road passenger transportation enterprise's industrial safety impersonally, scientifically and rightly at present in order to reduce the traffic accident in China. This article establishes the industrial safety evaluation index system for road passenger transportation enterprise based on the rule of ministry of transport of the People's Republic of China and...
A model is developed to evaluate the region traffic safety using principal component analysis (PCA). Traffic safety index obtained by the proposed model is a good measure to the level of the region traffic safety. The main difficulty of this model is how to choose the evaluation data basis because of the fact that different data basis has different evaluated results. In this work, two kinds of typical...
This paper proposes a Fuzzy Synthesis Evaluation Procedure to evaluate urban road safety. AHP method is applied to construct bi-level evaluation system of urban road safety. And then, the weight of urban road safety evaluation index is determined by expert questionnaire approach. Finally, fuzzy synthesis evaluation model is developed. The level of urban road safety is determined by centesimal system...
Death and injuries as a result of road accidents is a recognized global problem and authorities are aware of the consequences this global phenomenon might lead to. Roadway safety is one of the most important issues in transportation. Intersections are the locations with higher traffic crashes as compared with other roadway locations. This paper introduces an approach to evaluate roadway intersection...
With the rapid development of underground metropolitan transportation, the problem of safety risks, especially the fire risks, have always been accorded great attention by researchers and practitioners. In order to reduce the uncertainty of fire risks in underground metropolitan transportation, the main objective of this paper is to devise a proactive approach to dynamically predict and control conditions...
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