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Abstract

This paper uses regional saturation and speed as evaluation index, uses one of the traffic control region as research object, VISSIM as test platform. Operation effect of different traffic control strategies under different traffic situations are simulated, so as to selec...Lead moreThis paper uses regional saturation and speed as evaluation index, uses one of the traffic control region as research object, VISSIM as test platform. Operation effect of different traffic control strategies under different traffic situations are simulated, so as to select the optimum traffic control strategy for corresponding traffic situation. Meanwhile, this paper proposes an adaptive traffic control strategy selection method based on fuzzy neural network. At last, a simulation is done with this method to offer the region with different traffic control strategies. By comparing the effect of time-variant strategies and the fixed strategies, we come to the conclusion that time-variant strategies are more excellent than the fixed strategies and the adaptive traffic control strategy selection method based on fuzzy neural network is validate and usable.

Abstract

In this research, the design of Apriori-Ant algorithm is to make use of the strength of Ants Colony Optimization algorithm to shorten the rule generation process in Apriori algorithm. At the same time, the joining process in Apriori algorithm is still retained until Level...Lead moreIn this research, the design of Apriori-Ant algorithm is to make use of the strength of Ants Colony Optimization algorithm to shorten the rule generation process in Apriori algorithm. At the same time, the joining process in Apriori algorithm is still retained until Level-2. The count from Level-1 and Level-2 is used in the modified pheromone formula in Ants Colony Optimization algorithm. No interesting rules are removed from the list even if they are infrequent items in Apriori algorithm. Thus, all of the items are treated equal in this novel technique.

Abstract

In Singapore the ERP has been operated since 1998. In the ERP system, the IU equipped in vehicle carries out radio communications to the roadside equipment, and ERP Charge is deducted automatically from a contact IC card inserted in the IU. On the other hand, in the publi...Lead moreIn Singapore the ERP has been operated since 1998. In the ERP system, the IU equipped in vehicle carries out radio communications to the roadside equipment, and ERP Charge is deducted automatically from a contact IC card inserted in the IU. On the other hand, in the public transportation facilities, electronic payment system using a contact-less IC card has been operated since 2002. It is desirable for the convenience of the motorists to unify the payment scheme between the public transportations and the roadside systems. So, we are developing the IU which can also process a contact-less card.

Abstract

Space-time patterns of activity-travel are very complex, because the individual movement in space-time is a complex trajectory with many interacting dimensions. These dimensions include location, timing, duration, sequence and type of activities trips. The purpose of this...Lead moreSpace-time patterns of activity-travel are very complex, because the individual movement in space-time is a complex trajectory with many interacting dimensions. These dimensions include location, timing, duration, sequence and type of activities trips. The purpose of this paper is to develop a method to model and visualize mobile objects. We propose to find an effective method to construct interactive manipulative 3D-GIS software of activity-travel patterns. The methods of 3D geographical data and 3D modeling are also present. A prototype was implemented using the software of Multigen Creator and Vega to analyze GPS-recorded travel data in the city of Changchun, China.

Abstract

As a novel and economical means to collect data of traffic, Floating Car System is widespread concerned, which is applied in Route Guidance and Event Detection etc. On the basis of the traits of Floating Car System, this paper discusses some kinds of applications of Floating Car System in Beijing.As a novel and economical means to collect data of traffic, Floating Car System is widespread concerned, which is applied in Route Guidance and Event Detection etc. On the basis of the traits of Floating Car System, this paper discusses some kinds of applications of Floating Car System in Beijing.

Abstract

Taxi cloning is a serious situation in many cities of China. This is not only disturbing the normal taxi marketing, but also many legal registration taxi drivers become the victim of taxi cloning. RFID technology is a type of non-contact automatic identification technolog...Lead moreTaxi cloning is a serious situation in many cities of China. This is not only disturbing the normal taxi marketing, but also many legal registration taxi drivers become the victim of taxi cloning. RFID technology is a type of non-contact automatic identification technology which realized through radio frequency communication. This technology can help the traffic department managing clone taxies. In this paper, it presented the taxi operation environment in Chengdu city, and explored the possible solution of using RFID in clone taxi management.

Abstract

Within a ubiquitous networking environment, where users are always surrounded by heterogeneous devices connected to a network, they should be able to use the most suitable device among those available. For example, when a user gets into a taxi, it should be possible for t...Lead moreWithin a ubiquitous networking environment, where users are always surrounded by heterogeneous devices connected to a network, they should be able to use the most suitable device among those available. For example, when a user gets into a taxi, it should be possible for the user’s devices and those installed in the vehicle to inter-connect. This paper focuses on their dynamic composition, allowing upper layer applications to utilize them. Preliminary experimental results are shown as well as an overview of the proposed means of composition and decomposition.

Abstract

Current travel time prediction algorithms often need the large numbers of travel time data, which is difficult to gain and costs high, to identify the algorithms’ parameters. In this paper, we propose new travel time prediction algorithms, which use data fusion to integra...Lead moreCurrent travel time prediction algorithms often need the large numbers of travel time data, which is difficult to gain and costs high, to identify the algorithms’ parameters. In this paper, we propose new travel time prediction algorithms, which use data fusion to integrate the speed data of different detectors and use neural network to predict the future speed dynamically, to calculate the travel time. Vehicle plate recognition technology is used to collect the real travel time of test section on Beijing third ring freeway to evaluate the algorithms. The results of the experiment show the average prediction error is less than 10%.

Abstract

Guizhou province is seated in mountainous area and its highway were built wind up the mountains. Thus, the roads are twist, having lots of tunnels and turns. Because this, this paper gave the platform of intelligent traffic system on security information and route guidanc...Lead moreGuizhou province is seated in mountainous area and its highway were built wind up the mountains. Thus, the roads are twist, having lots of tunnels and turns. Because this, this paper gave the platform of intelligent traffic system on security information and route guidance in mountainous areas、surveillance and control model in tunnel、turns model and arithmetic design．

Abstract

The electronic payment system under region expressway networking toll (RENT-EPS) is proposed. RENT-EPS takes prepay card as the media of expressway toll, it also resolves the vehicle jam question and enhances the service level of toll lane. After the RENT-EPS goal and the...Lead moreThe electronic payment system under region expressway networking toll (RENT-EPS) is proposed. RENT-EPS takes prepay card as the media of expressway toll, it also resolves the vehicle jam question and enhances the service level of toll lane. After the RENT-EPS goal and the significance are analyzed, the RENT-EPS frame and network architecture is designed in detail. The toll expense analysis pattern, data transmission and key management are researched. The research results already applied in the Chinese biggest region networking toll system (Jiangsu Province networking toll system)

Abstract

ABSTRACT In order to improve the safety and emergency performance of the northern section of Nanjing-Lianyungang Expressway (hereinafter as NingLian Expressway), an incident management system was developed and applied. Three major parts, respectively the demand analysis, ...Lead moreABSTRACT In order to improve the safety and emergency performance of the northern section of Nanjing-Lianyungang Expressway (hereinafter as NingLian Expressway), an incident management system was developed and applied. Three major parts, respectively the demand analysis, design and application of the system, were described in the paper. The principal functions of the system design are as follows: the confirmation of the incident classification, the real-time incident information display based on integrated GIS map and the automatic generation of incident solution plan by the rule-based expert system, the control of incident management process, real-time incident information dissemination via short message service of mobile phone and Web pages and the automatic generation of management report forms. The system has been formally put in to use since April, 2006 in the management centre of the northern section of NingLian Expressway.

Abstract

Intelligent Highway System (IHS) is the important part of ITS in China. It is a new ITS solution from the road infrastructure standpoint with vehicle-infrastructure cooperation as its key technology. The related R&D has been undertaking by the National Center of ITS Engin...Lead moreIntelligent Highway System (IHS) is the important part of ITS in China. It is a new ITS solution from the road infrastructure standpoint with vehicle-infrastructure cooperation as its key technology. The related R&D has been undertaking by the National Center of ITS Engineering & Technology (ITSC) since 1999. In this paper, the cooperative vehicle infrastructure system was introduced firstly, and then its application in driving safety supporting system in China was presented in detailed, including the prototype test.

Abstract

The Pre-crash system in order to reduce collision damage had been introduced. This system judge the collision probability based on output data from the Millimeter-wave Radar and helps driver braking. This time, we developed the new system that helps driver steering during...Lead moreThe Pre-crash system in order to reduce collision damage had been introduced. This system judge the collision probability based on output data from the Millimeter-wave Radar and helps driver braking. This time, we developed the new system that helps driver steering during the emergency collision avoidance. This paper describes the concept of collision-avoidance assist system and the benefits confirmed by the actual vehicle testing on the road.

Abstract

Mitsubishi Heavy Industries, Ltd. has launched the Integrated Urban Road Pricing Service in order to respond to rising demand for urban road pricing scheme to alleviate traffic congestion in Asian mega cities. Main features of the system are the 5.8 GHz Active DSRC techno...Lead moreMitsubishi Heavy Industries, Ltd. has launched the Integrated Urban Road Pricing Service in order to respond to rising demand for urban road pricing scheme to alleviate traffic congestion in Asian mega cities. Main features of the system are the 5.8 GHz Active DSRC technology and the On-board Unit accepting multi-use contactless smartcards. These newly-developed state-of-art features will enable the system to work for high speed and free-flow operation on heavily congested roads, realize smooth interoperability among different operators and manufacturers, expand toward other ITS applications, and help the authority take integrated approach to realize effective traffic demand management.

Abstract

A system for a vehicle to detect the pedestrian who is in blind spot by radio wave is an urgent subject for the safety system. An efficient radio control (MAC: Media Access control) method should be established on the condition of non-synchronous timing in the system. . I...Lead moreA system for a vehicle to detect the pedestrian who is in blind spot by radio wave is an urgent subject for the safety system. An efficient radio control (MAC: Media Access control) method should be established on the condition of non-synchronous timing in the system. . In this paper, we propose ALOHA with CSMA as a random-access from pedestrian to vehicle for the simplicity of the system. Computer simulations are carried out to evaluate the performances in terms of detection times. Assuming that the packet length is 2ms and pedestrian density is 0.01person/m2, pedestrian within 60m(ALOHA)/80m(CSMA) from vehicle are able to communicated within one second.

Abstract

It is needed to establish a distributed system without an infrastructure for avoidance of traffic accidents between cars and pedestrian. We have shown that a vehicle receiver can detect the pedestrian behind the obstacles and avoid the collision between the tow. In the mo...Lead moreIt is needed to establish a distributed system without an infrastructure for avoidance of traffic accidents between cars and pedestrian. We have shown that a vehicle receiver can detect the pedestrian behind the obstacles and avoid the collision between the tow. In the model of blind spot in roadway, we assumed that a vehicle has an array antenna as a receiver and a pedestrian has a transmitter. First, we have carried out the analysis of radio wave propagation using the ray trace method and then, we have estimated the direction of arrival of radio wave using MUSIC and Unitary-ESPRIT methods. We aimed at calculating which side, right or left of the car, the transmitter is and gripped the basic characteristic of the propagation of the radio wave by presuming the coming wave information, consisting direction presumption and the electric power.

Abstract

Starting with Ningbo, where a system of taxis equipped with satellite positioning systems and mobile communication was established, vehicle probe data collection techniques are presented for Asian metropolitan areas. This paper describes the function and method for constr...Lead moreStarting with Ningbo, where a system of taxis equipped with satellite positioning systems and mobile communication was established, vehicle probe data collection techniques are presented for Asian metropolitan areas. This paper describes the function and method for constructing an integrated platform of traffic management and control in Ningbo. The integrated platform of traffic management and control is a complicated and advanced application system based on many years of work at traffic management infrastructure. The GIS is the core and most sub-applications were build on a GIS platform which included the traffic control system, the traffic police resources management system, the real-time road and traffic information system etc. The traffic police can monitor most of the information related to the traffic management by the integrated platform, if it is necessary, the traffic command can also be transferred by the platform.

Abstract

A new design of warning device for commercial vehicles is presented in this paper, whose main functions include early warning for dangerous road sections, overspeed warning, tire overpressure warning and e-call. Firstly, running conditions for commercial vehicles are anal...Lead moreA new design of warning device for commercial vehicles is presented in this paper, whose main functions include early warning for dangerous road sections, overspeed warning, tire overpressure warning and e-call. Firstly, running conditions for commercial vehicles are analysed in detail. Then, function analysis for the warning device is made. And the design including hardware and software are discussed subsequently. Finally, all the hardware modules are tested, and corresponding experiments for the device are also made. All the results prove that the device can meet the design requirements very well.

Abstract

In our country, Japan, it becomes a social problem that the number of cars breaking through toll-way gates without paying increases. Moreover, as ETC(Electronic toll collection) becomes popular, the way of the illegal passing diversifies. Therefore, we developed the new p...Lead moreIn our country, Japan, it becomes a social problem that the number of cars breaking through toll-way gates without paying increases. Moreover, as ETC(Electronic toll collection) becomes popular, the way of the illegal passing diversifies. Therefore, we developed the new product, ‘integrated enforcement camera’ to regulate them efficiently. It’s high-performance multipurpose enforcement camera. This device integrated some illegal-prevention cameras existed already on toll-way gates. From a technical viewpoint, we worked on improvements of the lightening method for wide-shooting-range to take picture of driver’s face and on expansion of interfaces with some sensors to detect various type of illegal traffic.

Abstract

At present, with Japanese society aging, the number of business operators and NPO’s providing transportation service for the elderly or disabled persons is rapidly increasing. We propose a system to support these transportation services using the ITS technologies in a com...Lead moreAt present, with Japanese society aging, the number of business operators and NPO’s providing transportation service for the elderly or disabled persons is rapidly increasing. We propose a system to support these transportation services using the ITS technologies in a comprehensive way. We have tried to solve four problems by the investigation of the status before the trial operation. There were a wrong process of making a vehicle reservation, impossible to see the operating status of a vehicle, ambiguous record of vehicle usage, and　large amount of operations needed to process the actual records. Our system involves an ITS on-board unit to be mounted on welfare vehicles, and an on-board printer. These are connected to the personal computers of business operators through the central server installed at the headquaters of our company,Daihatsu Motor Co.,Ltd. The cellular phone wireless communication network was used as a communication system with the vehicle.

Abstract

We have developed a new circular polarized antenna consisting solely of the configuration of linear conductors that can be placed on a plane surface. The new GPS film antenna has already been introduced into the market with the feature that it can be stuck on the inside o...Lead moreWe have developed a new circular polarized antenna consisting solely of the configuration of linear conductors that can be placed on a plane surface. The new GPS film antenna has already been introduced into the market with the feature that it can be stuck on the inside of a windshield. It offers the following two advantages: 1)It has a simpler structure than the conventional 3-dimensional patch antenna. 2)It does not impair the aesthetic appearance of vehicles.These two advantages flow from the antenna’s simple structure, consisting of printed linear patterns on a single-side transparent resin film. The structure has opened up a new world of possibilities for circular polarized antennas, offering a wide variety of applications for vehicular use, including ITS-related products.This paper first discusses basic principles used for this antenna to receive circular polarized waves. Then, it describes some special features and performances of GPS film antenna, and other applications.

Abstract

In Urban canyon area, we have conducted evaluation test of Distance-based charging by using GPS technology integrated with Dead Reckoning navigation. Regarding the testing for Distance-based charging with GPS, several reports have been issued. Most of them are for the sys...Lead moreIn Urban canyon area, we have conducted evaluation test of Distance-based charging by using GPS technology integrated with Dead Reckoning navigation. Regarding the testing for Distance-based charging with GPS, several reports have been issued. Most of them are for the systems, measuring traveling distance, detection of cordon line and charge calculation are performed by the backend system using map-matching technology. For the distance-based charging, we have developed the proto type system to evaluate the on-board processing for cordon line detection, measuring traveling distance and charge calculation. In this report, we explain our test system and the result of the testing in Urban canyon area. As the results, we have achieved the accuracy for distance measurement with error less than 5 percent and stable results of charging value.

Abstract

WG4 (Working Group4) of the International Standard Organization (ISO) is currently working to establish the international standard of AVI/AEI related technologies on Intelligence Transport System (ITS). AVI/AEI related technologies are being applied to many fields of agen...Lead moreWG4 (Working Group4) of the International Standard Organization (ISO) is currently working to establish the international standard of AVI/AEI related technologies on Intelligence Transport System (ITS). AVI/AEI related technologies are being applied to many fields of agent oriented ITS and most recently it is being applied to the field of collecting vehicle information from many countries. AVI/AEI related technologies are also being applied to cargo transportation agent systems. It is available to link international transportation if the technologies are applied to cargo transportation. This study is one of applying this standard technology to cargo transportation systems and suggests the methods applicable to various currently operational cargo distribution agent systems and the efficiency of the application as an agent system.

Abstract

The Intelligent Speed Adaptation (ISA) system is expected to be one of the solutions for ensuring safety in neighborhood areas, where an infrastructure based system is not cost effective. The system will be more effective if it can warn or control dangerous driving indivi...Lead moreThe Intelligent Speed Adaptation (ISA) system is expected to be one of the solutions for ensuring safety in neighborhood areas, where an infrastructure based system is not cost effective. The system will be more effective if it can warn or control dangerous driving individually when approaching junctions. In this study, detailed behavior of vehicles approaching small junctions is analyzed to find characteristics of dangerous driving in neighborhood areas, by employing video survey and a drive recorder machine, which can acquire detailed information of speed, acceleration, and braking. In order to develop an advanced ISA system, the author proposed a warning algorithm for stop signs using vehicle speed and driver's behavior at various locations from the junction.

Abstract

To get accuracy enough position data of the transit vehicles is a basic requirement in Advanced Public Transport Systems (APTS). Generally GPS (Global Positioning System) is adopted as the navigation module. Normally the accuracy of GPS data is good enough for public tran...Lead moreTo get accuracy enough position data of the transit vehicles is a basic requirement in Advanced Public Transport Systems (APTS). Generally GPS (Global Positioning System) is adopted as the navigation module. Normally the accuracy of GPS data is good enough for public transport navigation. However, when the buses run within the city, especially in the city centre, there will be blocked areas for the GPS signals. In that case, the GPS module cannot give correct location data or even will give totally wrong data. To solve this problem, a solution based on Kalman Filtering, Map-Matching and dynamic right is carried out in this paper. The key technologies are introduced, and also the result of each step is shown. It is proved the solution is accuracy enough and effective to solve this problem.

Abstract

DSRC technology based on RF is used progressively in ITS. According to the practical requirements for the ETC on highway, an exemplary DSRC system based on 5.8GHz RF is presented in this paper. Firstly, the methods to design software and hardware of the system are shown i...Lead moreDSRC technology based on RF is used progressively in ITS. According to the practical requirements for the ETC on highway, an exemplary DSRC system based on 5.8GHz RF is presented in this paper. Firstly, the methods to design software and hardware of the system are shown in this paper. Secondly, the pivotal technologies used in the system are explained in details. Finally, the high practicability of the system is proved by the experimental data about the system capability.

Abstract

Settling the increasingly serious traffic jam in urban is the important problem which relates to boost the development of National Economy in China. The testing engineering program of Intelligent Traffic Information Systems in Guangzhou expressway systems based on the mov...Lead moreSettling the increasingly serious traffic jam in urban is the important problem which relates to boost the development of National Economy in China. The testing engineering program of Intelligent Traffic Information Systems in Guangzhou expressway systems based on the moving mechanism of traffic flow and the fruit of this research, it anatomizes the structure of typical road and feature of traffic flow in China, breaks through several node of pivotal technical in Intelligent Traffic Information Systems, figures out the model of the information disposing which is imperative in the building program.

Abstract

ITS technology applied in Expo is not only in favor of meeting the traffic demands by Expo participants and solving the traffic problems, but also an important approach in demonstrating the development and promoting advancement of ITS.Based on the ITS technology developme...Lead moreITS technology applied in Expo is not only in favor of meeting the traffic demands by Expo participants and solving the traffic problems, but also an important approach in demonstrating the development and promoting advancement of ITS.Based on the ITS technology development and traffic characteristics analysis of Expo, this paper analyzed the different user groups’ demands for ITS after defining the Expo users’ requirements. Meanwhile, starting from the existing and potential possibilities of adopting info exchange technology, we are building the architecture model and information flow of ITS for World Expo 2010 Shanghai.

Abstract

For testing and analyzing models and applications, researchers as like as practitioners spend an enormous amount of time to gather suitable data and to convert this data into a format that can be processed by their working tools or developed models. This work slows down t...Lead moreFor testing and analyzing models and applications, researchers as like as practitioners spend an enormous amount of time to gather suitable data and to convert this data into a format that can be processed by their working tools or developed models. This work slows down their job and leads to tons of unused data in archives that is inaccessible for other people working in the same field. This paper presents a web based approach for an International Traffic Database to overcome this drawback and to open the possibilities for world-wide collaboration of transportation research and study.

Abstract

We developed DSRC RSU product which solves some problems such as device cost, installation cost, and interference of radio wave. And we got technical prospect to apply the product in actual situation, through communication experiment at a Gas station.We developed DSRC RSU product which solves some problems such as device cost, installation cost, and interference of radio wave. And we got technical prospect to apply the product in actual situation, through communication experiment at a Gas station.

Abstract

This paper briefly introduces the development of ITS and urban traffic control system, and identifies the problems of traffic control in china. To solve the problems, Hisense, a newly developing company contributing to ITS, has independently made a set of models which are...Lead moreThis paper briefly introduces the development of ITS and urban traffic control system, and identifies the problems of traffic control in china. To solve the problems, Hisense, a newly developing company contributing to ITS, has independently made a set of models which are applicable to Chinese city, and has successfully developed a new kind of traffic control system in use of the advanced technology. Finally, the paper presents a practical application of the system. From the survey carried out it is shown that the system can be well applied in Chinese cities.

Abstract

To evaluate the performance of several safety systems, it is very useful to reproduce an accurate traffic situation using a microscopic traffic simulator. However, recently the support systems tend to recognize the individual driver’s behavior caused by outside situations...Lead moreTo evaluate the performance of several safety systems, it is very useful to reproduce an accurate traffic situation using a microscopic traffic simulator. However, recently the support systems tend to recognize the individual driver’s behavior caused by outside situations and his/her internal condition and adopt its parameter. It is difficult for most of conventional simulators without considering them to evaluate the performance. So, we propose a new simulation model (STREET) switching vehicle motion models based on the cognition and decision of a driver. This paper describes mainly the outline of the novel driver’s decision model in it.

Abstract

To evaluate the performance of safety systems, it is very important to accurately simulate a traffic situation, calculating changes in e.g. a vehicle's position in an intersection. However, conventional simulators using car-following models cannot reproduce a vehicle's co...Lead moreTo evaluate the performance of safety systems, it is very important to accurately simulate a traffic situation, calculating changes in e.g. a vehicle's position in an intersection. However, conventional simulators using car-following models cannot reproduce a vehicle's complex motion in a variety of traffic situations. We propose a new simulation model switching among various vehicle motion models based on the cognition and decision of a driver. For the first evaluation of the accuracy of the model, calculated longitudinal position of the vehicle for a given decision of the driver was assessed. It resulted in 51% improvement in RMSE of the length of movement of the vehicle.

Abstract

This paper provides an overview of a comprehensive approach to the evaluation of road pricing schemes. It builds from work undertaken by the author in developing the evaluation framework for the Auckland Road Pricing Evaluation Study, and on other projects. Key lessons ar...Lead moreThis paper provides an overview of a comprehensive approach to the evaluation of road pricing schemes. It builds from work undertaken by the author in developing the evaluation framework for the Auckland Road Pricing Evaluation Study, and on other projects. Key lessons are that: - Early consideration of the evaluation framework is important to ensure that detailed assessment processes are carried out in a consistent and coordinated manner - The desired evaluation criteria will drive the development of transportation, financial and economic modelling approaches, with the transportation model providing the ‘engine’ that nearly all other indicators will be driven from. - Ultimately the evaluation framework has to present decision-makers with clear, consistent and concise information to assess the feasibility and desirability of the different road pricing scheme options. - A combination of qualitative and quantitative measures will be necessary to cover all areas of interest

Abstract

From October, 2002, Toyota started the "G-BOOK" telematics service for drivers in Japan, and the road traffic information service is one of the most important services in the contents. From 2007, real time road traffic information service based on Floating Car Data (FCD) ...Lead moreFrom October, 2002, Toyota started the "G-BOOK" telematics service for drivers in Japan, and the road traffic information service is one of the most important services in the contents. From 2007, real time road traffic information service based on Floating Car Data (FCD) will be added, by utilizing personal vehicle. In this paper, the structure of the real time road traffic information and the supporting technology will be introduced mainly.

Abstract

In Japan, the ETC (Electronic Toll Collection) system has spread all over the country since 2001, and now a large number of vehicles use ETC. But, motorcycle users could not use ETC till October 2006, nevertheless ETC for motorcycles was needed very strongly. Besides the ...Lead moreIn Japan, the ETC (Electronic Toll Collection) system has spread all over the country since 2001, and now a large number of vehicles use ETC. But, motorcycle users could not use ETC till October 2006, nevertheless ETC for motorcycles was needed very strongly. Besides the long investigation, we needed the field trial before the introduction to the whole country, to check the condition of the communication and to make sure of the safety. This paper mentions the necessity of ETC for motorcycles, an outline of the field trial and the problems found out in the trial.

Abstract

As a novel traffic detection technology, Floating Car Data has drawn much attention in ITS field. This paper introduces the FCD project in Guangzhou and proposes floating car sampling model in the research on vehicle scale parameter of Floating Car Data Systems. A valuabl...Lead moreAs a novel traffic detection technology, Floating Car Data has drawn much attention in ITS field. This paper introduces the FCD project in Guangzhou and proposes floating car sampling model in the research on vehicle scale parameter of Floating Car Data Systems. A valuable conclusion is obtained by two-stage clustering and multiple-stratified systematic sampling of floating cars.

Abstract

Recently, many manufacturers have commercialized night vision enhancement systems (NVESs) to prevent a car collision with obstacles at night. They generally provide an infrared camera image with an alarm and an emphasizing pedestrian. In this study, a night driving enviro...Lead moreRecently, many manufacturers have commercialized night vision enhancement systems (NVESs) to prevent a car collision with obstacles at night. They generally provide an infrared camera image with an alarm and an emphasizing pedestrian. In this study, a night driving environment and a night vision enhancement system are built on our driving simulator. Consequently, we verify the effectiveness of the existence of the assistance system on the driver's avoidance actions when some pedestrians suddenly rush out in front of them at night driving environment.

Abstract

Traffic accessibility is not only one of the key indexes to locate commerce net site or rebuild commerce but also the main index of the commerce Traffic Impact Analysis. Firstly, this paper introduces the concept, influencing factor and reckoning methods of traffic access...Lead moreTraffic accessibility is not only one of the key indexes to locate commerce net site or rebuild commerce but also the main index of the commerce Traffic Impact Analysis. Firstly, this paper introduces the concept, influencing factor and reckoning methods of traffic accessibility. Secondly, due to traffic character which is different from others, this paper brings forward a set of new reckoning methods of Commerce traffic accessibility. Finally, it will introduce the application of Geography information System (GIS) in commerce net site traffic accessibility analysis, which can integrate attribute information and space information, and carry out managing, searching, handling, and comprehensive analysis.

Abstract

Dynamic timing computation strategy generates the timing planning based on the predicted traffic flow data. However, whether the results are accurate or not, it depends on the factors as real time data collection, procedures of the traffic flow prediction and what kind of...Lead moreDynamic timing computation strategy generates the timing planning based on the predicted traffic flow data. However, whether the results are accurate or not, it depends on the factors as real time data collection, procedures of the traffic flow prediction and what kind of strategy used among the dynamic timing computations. This research concentrates on the last factor mentioned above and assumed the prediction results of traffic flow are precise enough. The gene algorithm (GA) is utilized to find out the optimal solution involving the split and phase sequence for signal control. In this study, SYNCHRO is chosen as the reference for evaluation. The timing plans outputted from GA calculations will be the inputs to the SYNCHRO, and then the results of average delay derived by SYNCHRO between GA and its original optimization are comprised. A mimic case is studied with several scenarios. All the results will be described in this paper with details.