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Abstract

TAG|IT is a pilot project on automated hazardous goods monitoring in tunnels, operated by ASFINAG, Austrias motorway authority. During a five month test, a preselected test fleet of hazardous goods vehicles will pass regularly through one highly frequented tunnel in south...Lead moreTAG|IT is a pilot project on automated hazardous goods monitoring in tunnels, operated by ASFINAG, Austrias motorway authority. During a five month test, a preselected test fleet of hazardous goods vehicles will pass regularly through one highly frequented tunnel in southern Austria. Their passage will be recognized at three communication points, using DSRC and RFID technology. Cargo information can then be retrieved from a central database, where participating companies have entered cargo data before each trip, using a personalized web portal. Project goals include a suitability determination regarding chosen technologies and system design as well as a user acceptance evaluation.

Abstract

Driver assistance systems gain more and more importance for automotive industry. This document describes a blind spot detection system based on cost efficient 24 GHz radar technology. The system was developed by Siemens VDO Automotive from 2004 to 2006 and will be in seri...Lead moreDriver assistance systems gain more and more importance for automotive industry. This document describes a blind spot detection system based on cost efficient 24 GHz radar technology. The system was developed by Siemens VDO Automotive from 2004 to 2006 and will be in series production 2007. The application itself and the radar technology behind it are described.

Abstract

Multimodal, multi-channel information services are in the focus of development in Finland. Common for these services are, that they require new organization models. Two information service projects are piloted at the moment in Finland and the pilots will be evaluated in t...Lead moreMultimodal, multi-channel information services are in the focus of development in Finland. Common for these services are, that they require new organization models. Two information service projects are piloted at the moment in Finland and the pilots will be evaluated in the Spring 2007. These evaluations offer new practical understanding for the organization of such services in the future. The most important issues are, how much these services are used and what are their effects, what is the experienced quality of information and cost-effectiveness reached with the PPP-model and are citizens or businesses willing to pay for such information services.

Abstract

The European Specific Targeted Project WATCH-OVER is co-funded by the European Commission Information Society and Media within the initiatives of the cooperative systems for traffic safety and efficiency based on communication and sensor technologies. The project, support...Lead moreThe European Specific Targeted Project WATCH-OVER is co-funded by the European Commission Information Society and Media within the initiatives of the cooperative systems for traffic safety and efficiency based on communication and sensor technologies. The project, supported by EUCAR, is coordinated by Centro Ricerche Fiat and includes in its consortium vehicle and motorcycle makers, technology, automotive suppliers and research centres for the design, development and testing phase. The core concept of the project, presented in this paper, is to enable the future availability of a modular cooperative system that will bring together sensor and communication technologies permitting to all road users (the vehicles, the motorcycles, the bicycles, the pedestrians) to take an active part in the reduction of the number of accidents that involve vulnerable road users. The paper gives also a highlight of the definition of the relevant cases of use and anticipates the architectural approach.

Abstract

The Cellular Based Road Traffic Monitoring System Project is a six month pilot project in which the possibilities of a real-time travel information system for traffic congestion based on tracing anonymous cellular phones information is being tested. This project is carrie...Lead moreThe Cellular Based Road Traffic Monitoring System Project is a six month pilot project in which the possibilities of a real-time travel information system for traffic congestion based on tracing anonymous cellular phones information is being tested. This project is carried out by the Swedish Road Administration in cooperation with Region Skåne and The City of Malmo. The system will be fully operational from March to August 2007. The benefits of the system will be evaluated on their technical, political, social and economical value. The first results will be available in August 2007.

Abstract

This paper discusses the wide range of capabilities and some of the limitations of video image processing for highway incident detection as Traficon has experienced it over the past 20 years. A basic methodology will be discussed highlighting the key parameters for implem...Lead moreThis paper discusses the wide range of capabilities and some of the limitations of video image processing for highway incident detection as Traficon has experienced it over the past 20 years. A basic methodology will be discussed highlighting the key parameters for implementing a video image processing system. This paper also will give you a headstart on what video detection, as ITS technology, will bring in the next decade. A detailed case study of highway and tunnel projects in China and Malaysia will serve as an illustration.

Abstract

Issues of local air quality have taken on a higher importance within Europe with the introduction of mandatory limits from 2010. Road emissions are one of the main sources of air pollution. However, local air pollution problems are subject to locally specific circumstance...Lead moreIssues of local air quality have taken on a higher importance within Europe with the introduction of mandatory limits from 2010. Road emissions are one of the main sources of air pollution. However, local air pollution problems are subject to locally specific circumstances including local meteorology and a mixture of local and more distant emission sources. The key to designing a successful ITS emissions reduction schemes is to have a detailed understanding of the problem to be addressed. This paper outlines a method for analysing local air quality problems including the use of Generalised Additive Models and Bivariate polar plots.

Abstract

ISA has, and still is being tested and evaluated via several projects in many countries, mainly in connection with private drivers. The findings are basically the same: ISA is accepted and has a positive impact on road safety through reducing speeds. As to the next step, ...Lead moreISA has, and still is being tested and evaluated via several projects in many countries, mainly in connection with private drivers. The findings are basically the same: ISA is accepted and has a positive impact on road safety through reducing speeds. As to the next step, implementation, many obstacles can be seen. However, if the implementation is focused on vehicle fleets and commercial transports instead of private cars, many of these obstacles can be turned into advantages.

Abstract

CityMobil is an Integrated Project in the 6th Framework Programme of the European Union. The project addresses the topic Advanced Road transport for the Urban Environment. The project started in May 2006 and will run for 5 years until May 2011. The project is carried out ...Lead moreCityMobil is an Integrated Project in the 6th Framework Programme of the European Union. The project addresses the topic Advanced Road transport for the Urban Environment. The project started in May 2006 and will run for 5 years until May 2011. The project is carried out by a group of 28 partners led by TNO, the Netherlands Organisation for Applied Scientific Research. The goal of this research project is to make significant steps forward towards realisation of integrated traffic solutions for the city of tomorrow. The paper describes the first results, one year after the start of the project.

Abstract

The major road traffic route in North Wales includes two bored and one immersed tube tunnel within a 15 km length of carriageway. There are no restrictions on goods or materials transiting the tunnels which, by definition are closed environments and present particular cha...Lead moreThe major road traffic route in North Wales includes two bored and one immersed tube tunnel within a 15 km length of carriageway. There are no restrictions on goods or materials transiting the tunnels which, by definition are closed environments and present particular challenges to ensure safety. Legislation requires that realistic emergency exercises are held on a regular basis. This paper details the methods by which Traffic-Wales plan, organise, manage, document and conclude these exercises. It also includes an explanation of the adoption of industry best practise for traffic and people management, incident isolation and site access control.

Abstract

This paper proposes a new approach to joint traffic state estimation, parameter identification and input calibration. We propose a new first-order stochastic multi-class traffic flow model for traffic networks and apply a modified Unscented Particle Filter method. This en...Lead moreThis paper proposes a new approach to joint traffic state estimation, parameter identification and input calibration. We propose a new first-order stochastic multi-class traffic flow model for traffic networks and apply a modified Unscented Particle Filter method. This entails simultaneously performing multiple simulations (so-called particles), differing with respect to state, parameters and applied model input. The weight of each simulation is determined by establishing how close a particular simulation is to the observed traffic conditions. Based on these weights, an RMSE optimal estimate of the state, parameters, and model input can be computed. The approach is applied to a case study showing up to 50% error reduction.

Abstract

discusses the application of intelligent transportation system to traffic congestion in a developing economy, and the paper also discusses the importance of technology to traffic management, and also the need for technological policy that will give room for this developme...Lead morediscusses the application of intelligent transportation system to traffic congestion in a developing economy, and the paper also discusses the importance of technology to traffic management, and also the need for technological policy that will give room for this development. this also discusses the need for capacity building and the need for proper orientation towards the future of transportation in nigeria.

Abstract

Telargo has conducted extensive testing of GPS based bus vehicle tracking in Hong Kong. Our system includes monitoring capabilities for bus dispatchers, timetable accuracy reports, estimated time of arrival, which was displayed on some bus stops, etc. Our toughest challen...Lead moreTelargo has conducted extensive testing of GPS based bus vehicle tracking in Hong Kong. Our system includes monitoring capabilities for bus dispatchers, timetable accuracy reports, estimated time of arrival, which was displayed on some bus stops, etc. Our toughest challenge was the inaccuracy of the GPS position, which is very common in urban canyons. We also realized that collected data can be used for many useful purposes, such as migration analysis or time-dependant variable routing.

Abstract

The Connected Vehicle Trade Association (CVTA), a non profit business league of the public and private entities involved in vehicle communications, and the Center for Automotive Research (CAR), a non profit automobile research organization were recently awarded a multimil...Lead moreThe Connected Vehicle Trade Association (CVTA), a non profit business league of the public and private entities involved in vehicle communications, and the Center for Automotive Research (CAR), a non profit automobile research organization were recently awarded a multimillion dollar (USD) grant to develop the Connected Vehicle Proving Center (CVPC). The CVPC is chartered to develop a virtual and real center to connect major proving grounds, test beds, communication conduits, laboratories, products and services to aid in the development, evaluation, integration, validation and demonstration of the systems, protocols, standards, tools, applications, products and services available or in development to advance vehicle to vehicle and vehicle to infrastructure communications. In addition to the grant funds, the Proving Center has the support and advocacy of a wide range of governmental agencies, automakers, suppliers, communication companies, telematics companies and service providers.

Abstract

This paper presents a hybrid traffic simulation model which is capable of simulating different parts of a network at varying levels of fidelity. We focus on the architecture of the software, which consists of microscopic, mesoscopic, and macroscopic traffic simulation mod...Lead moreThis paper presents a hybrid traffic simulation model which is capable of simulating different parts of a network at varying levels of fidelity. We focus on the architecture of the software, which consists of microscopic, mesoscopic, and macroscopic traffic simulation models build on top of a GIS platform. The challenges in developing such a system are discussed, as are directions for future research.

Abstract

The training of TMC operators can be very expensive, and the benefits from the real-world training are often not as expected. Using the latest generation of microscopic simulation modeling techniques, a Traffic Management Center (TMC) operator training system has been dev...Lead moreThe training of TMC operators can be very expensive, and the benefits from the real-world training are often not as expected. Using the latest generation of microscopic simulation modeling techniques, a Traffic Management Center (TMC) operator training system has been developed and setup at California Advanced Transportation Management Systems (ATMS) Testbed of University of California, Irvine. The system provides an effective mechanism for the transfer of research and technology to practical uses. Since the completion of the prototype system, three operator training classes have been performed and satisfactory results have been obtained.

Abstract

An advanced simulation environment has been developed to conduct the performance evaluation of a pilot network for York Adaptive Traffic Signal Control System. This environment integrates the York adaptive control algorithm with the Quadstone PARAMICS micro-simulation mod...Lead moreAn advanced simulation environment has been developed to conduct the performance evaluation of a pilot network for York Adaptive Traffic Signal Control System. This environment integrates the York adaptive control algorithm with the Quadstone PARAMICS micro-simulation model by an interface and eleven simulated MAC Adapters. This interface obtains the raw detector loop data from the PARAMICS model and sends the optimized signal timings to the model for implementation. The simulated MAC Adapters serves as data aggregator to transform the raw detector loop data into the aggregated detector data and send the aggregated detector data to the central system for timing optimization for the next cycle. With this enhanced micro-simulation environment, a more realistic system verification tool is provided for better demonstrating the benefits of real-time traffic adaptive control.

Abstract

ITSs produce huge amounts of traffic measurements originally used in real-time traffic management. ITS data could be beneficial in many additional applications. Traffic Monitoring Stations (TMSs) are a basic component of Utah’s ITS. Presently, TMS data lack an archival an...Lead moreITSs produce huge amounts of traffic measurements originally used in real-time traffic management. ITS data could be beneficial in many additional applications. Traffic Monitoring Stations (TMSs) are a basic component of Utah’s ITS. Presently, TMS data lack an archival and analysis strategy, which keeps it from being widely utilized. Drawing from nationwide ITS data uses, this study established guidelines for implementing an automated TMS data archival and analysis system. Five components of this system including: data collection, data aggregation and quality control, data storage, database management, and user interface were identified and examined. This research particularly investigated data quality due to increasing concerns about their accuracy.

Abstract

Ten years ago, the National Automated System Consortium (NAHSC), in partnership with the US Department of Transportation, conducted a large scale demonstration of Automated Highway System on I-15 in San Diego. This demonstration showcased various vehicle automated technol...Lead moreTen years ago, the National Automated System Consortium (NAHSC), in partnership with the US Department of Transportation, conducted a large scale demonstration of Automated Highway System on I-15 in San Diego. This demonstration showcased various vehicle automated technologies that form the foundation of an automated highway system.

Abstract

In 2006, United State Department of Transportation initiated the Integrated Corridor Management Program. The program intends to demonstrate effective corridor management systems and strategies through successful coordination among corridor agencies, effective integration ...Lead moreIn 2006, United State Department of Transportation initiated the Integrated Corridor Management Program. The program intends to demonstrate effective corridor management systems and strategies through successful coordination among corridor agencies, effective integration of ITS technologies, and proactive implementation of cooperative corridor operations to fully utilize existing corridor capacity to maximize mobility and productivity of the existing transportation infrastructure.

Abstract

The Robert E.Parsons Traffic and Transit Lab(Parsons T² Lab) is a unique transportation laboratory that feature:(1)high quality traffic and transit data from arterials and corridors.(2)a growing number of data management and analysis tools,and (3)a full range of experimen...Lead moreThe Robert E.Parsons Traffic and Transit Lab(Parsons T² Lab) is a unique transportation laboratory that feature:(1)high quality traffic and transit data from arterials and corridors.(2)a growing number of data management and analysis tools,and (3)a full range of experimental environments.The lab is built to support in-depth understanding of traffic and transit operations and behaviors,and to facilitate the development of advanced ITS solutions, and to enable field implementation of new methodologies and technologies.

Abstract

The commercial truck transport industry aggressively adopts sophisticated systems that improve efficiency and safety performance. Trucks operate solely for economic gain therefore technologies that produce commercial benefits are generally accepted by the industry. Accept...Lead moreThe commercial truck transport industry aggressively adopts sophisticated systems that improve efficiency and safety performance. Trucks operate solely for economic gain therefore technologies that produce commercial benefits are generally accepted by the industry. Acceptance of technology in passenger cars are more stratified yielding high acceptance in the luxury class, mixed to late adoption in the midsize class and little to no acceptance in the economy class. This paper examines the comparatively broad use of telematics and safety technology in commercial vehicles and makes the case that trucks may play a major role in the deployment of VII.

Abstract

As a part of the federal transportation authorization known as SAFETEA-LU, the United States Congress has identified a high-priority need for research to reduce fatalities, injuries, and property damage caused by back-over crashes involving motor carriers. This study eval...Lead moreAs a part of the federal transportation authorization known as SAFETEA-LU, the United States Congress has identified a high-priority need for research to reduce fatalities, injuries, and property damage caused by back-over crashes involving motor carriers. This study evaluates the effectiveness of rear vision systems, assesses the reliability of existing methods for transmitting video signals, examines the ease of installation and ease of use of the products, and estimates potential savings. The results from this study could provide a foundation for further widespread deployments of motor carrier rear vision systems to reduce back-over crashes and increase operational efficiency.

Abstract

Michigan has identified Vehicle Infrastructure Integration (VII) as an innovative driver of its mission to provide higher quality transportation through improved safety, traffic management, and asset management. Throughout the United States, VII has the potential to produ...Lead moreMichigan has identified Vehicle Infrastructure Integration (VII) as an innovative driver of its mission to provide higher quality transportation through improved safety, traffic management, and asset management. Throughout the United States, VII has the potential to produce a definitive reduction in highway fatalities and injuries. And vehicle communication initiatives in many countries have a common objective of enhanced road safety. For VII and similar initiatives to move from local tests to wide deployment, benefits need to be measured, and data shared. This paper describes the Naturalistic Driving Methodology and a framework for its use in VII deployment and evaluation.

Abstract

AZCO/EVAS, LLC will be carrying out the preliminary functional studies of the system in 2006/2007. Feasibility studies will be carried out using 802.11 hardware with DSRC being the eventual implementation for mainly vehicle-to-vehicle communication. Road-to-vehicle commun...Lead moreAZCO/EVAS, LLC will be carrying out the preliminary functional studies of the system in 2006/2007. Feasibility studies will be carried out using 802.11 hardware with DSRC being the eventual implementation for mainly vehicle-to-vehicle communication. Road-to-vehicle communication is planned for second stage designs. Entire system concept along with initial results of the feasibility study will be presented.

Abstract

The State of Florida initiated a program in October 2003 to develop a software system (known as SunGuide) that was to be deployed in multiple Traffic Management Centers (TMCs). Currently the software has been deployed in five major metropolitan areas (Ft. Lauderdale, Jack...Lead moreThe State of Florida initiated a program in October 2003 to develop a software system (known as SunGuide) that was to be deployed in multiple Traffic Management Centers (TMCs). Currently the software has been deployed in five major metropolitan areas (Ft. Lauderdale, Jacksonville, Miami, Orlando, and Tampa). Each of these TMCs manages events using video cameras, Dynamic Message Signs (DMSs), detectors, Highway Advisory Radios (HARs) and Road Rangers (vehicles that are deployed to assist motorists and to assist in managing events). The SunGuide was designed and implemented to facilitate the managing of events and the generation of performance measure reports. The software allows data to be exchanged using a standards based Center-to-Center (C2C) infrastructure so that a TMC may engage the assets of other TMCs as well as to generate performance measure reports on a regional basis. This paper describes the system design, implementation, and lessons learned from the development of

Abstract

There is ample evidence that traveler information can affect commuter’s travel behavior, especially route choice. However, no effort was found to address how propensity to divert would change if the alternate route was a toll road. In order to better understand the impact...Lead moreThere is ample evidence that traveler information can affect commuter’s travel behavior, especially route choice. However, no effort was found to address how propensity to divert would change if the alternate route was a toll road. In order to better understand the impact of traveler information on commuter’s travel behavior and toll roads, a simulation study was conducted in Austin, Texas using DYNASMART-P model. Commuters’ route switching propensity when provided with traveler information and likelihood of choosing toll roads are evaluated. The impact of traveler information on toll road usage and toll revenue was examined. The simulation results indicate that providing traveler information could significantly increase toll road usage and toll revenue. Deploying ATIS can be a promising method to increase toll revenue and reduce the financial risk of toll road projects.

Abstract

This comparative sytdy of privacy protection in vehicular traffic surveillance systems in two different societies-the United States and the United Kingdom-focuses on modes of decision making regarding authorizing,designing,deploying,managing and operating traffic suveilla...Lead moreThis comparative sytdy of privacy protection in vehicular traffic surveillance systems in two different societies-the United States and the United Kingdom-focuses on modes of decision making regarding authorizing,designing,deploying,managing and operating traffic suveillance systems.The study assesses how,why and on what basis these two societies have chosen different types of traffic surveillance systems and different forms of privacy protections.Exploring effective privacy protective design factors and practies,the study appplies information science theory regarding the effects of privacy concerns on informaion systems.It also investigates new concepts of privacy beyond binary distinctionsbetween "public"and "private"activities. The study's innovative analytic methodologies illuminate how appropriate responses to informaion privacy issues in the traffic surveillance context can help to maximize social value from informaion systems with minimal privacy costs.

Abstract

Travel time estimates are widely regarded as the most practical information about traffic conditions available to individual drivers. While there are numerous data collection and estimation methods in use today, few attempts have been made to benchmark them in a systemati...Lead moreTravel time estimates are widely regarded as the most practical information about traffic conditions available to individual drivers. While there are numerous data collection and estimation methods in use today, few attempts have been made to benchmark them in a systematic manner. Even more fundamentally, there are no widely accepted metrics to measure the quality of travel time estimates. This paper exposes the methodology and tools employed to conduct a benchmark of travel time estimates in the San Francisco Bay Area.

Abstract

The Vehicle Infrastructure Integration (VII) Initiative was established by the United States (US) Department of Transportation (DOT) with the goals of reducing accidents and vehicle-related deaths, improving traffic efficiency and enabling a new generation of vehicle-base...Lead moreThe Vehicle Infrastructure Integration (VII) Initiative was established by the United States (US) Department of Transportation (DOT) with the goals of reducing accidents and vehicle-related deaths, improving traffic efficiency and enabling a new generation of vehicle-based service and entertainment applications. This paper provides an overview of the VII architecture and concept of operations (ConOps), a description of the test and development environment (DTE) implemented in Detroit, Michigan and a summary of the results of the proof-of-concept (POC) testing completed using that environment.

Abstract

InTranS’ newest high speed Open-Road Electronic Toll Collection (ETC) system is being implemented on San Diego California’s new SR125 at both of the mainline entrance and exit points. It provides CTV with true open road tolling ETC at highway speeds, with no stopping or s...Lead moreInTranS’ newest high speed Open-Road Electronic Toll Collection (ETC) system is being implemented on San Diego California’s new SR125 at both of the mainline entrance and exit points. It provides CTV with true open road tolling ETC at highway speeds, with no stopping or slowing down as vehicles pass under a linear pair of gantries at the mainline plaza. One of the key issue of this project is that the ORT is working as a closed system with trip processing. As vehicles equipped with ETC tags enter the road at either of the mainline ORT entrance points or one of the remote ETC entrance ramps, vehicle class, tag ID and entry point is identified and captured by the ETC system. When the vehicle exits the road, the entrance information is matched with the exit point, and the trip is processed as one transaction. The proper toll is determined by the vehicle class and distance traveled. The toll is then deducted electronically from the patron’s account.

Abstract

The paper will present the Electronic Tolling Solution being developed by “V-Flow”, focusing on its operational challenges and technical particularities. The new tolling system design will provide motorists using the bridge (Golden Ears Bridge, GEB) with non-stop, free fl...Lead moreThe paper will present the Electronic Tolling Solution being developed by “V-Flow”, focusing on its operational challenges and technical particularities. The new tolling system design will provide motorists using the bridge (Golden Ears Bridge, GEB) with non-stop, free flow automatic toll collection at normal highway speeds. "V-Flow" will be providing a state of the art system that is capable of free flow tolling across six lanes between 0 and 160 kph. This will include enrolled and un-enrolled accounts for OBU or video tolling.

Abstract

New York City Transit is experiencing unprecedented ridership growth as well as customer satisfaction and convenience. Daily Metro and bus ridership is now approaching 7 Million. The proposed presentation is to explain some of the key, innovative technical, and customer s...Lead moreNew York City Transit is experiencing unprecedented ridership growth as well as customer satisfaction and convenience. Daily Metro and bus ridership is now approaching 7 Million. The proposed presentation is to explain some of the key, innovative technical, and customer service programs in place that have contributed to this phenomenon. Selected improvement topics that will be presented are: • The deployment of ITS programs throughout the New York Metropolitan Region, focusing on improvement to the New York public transit (Metro/Subway, rail and bus) system • The development of the New York Metropolitan Region ITS architecture • The ongoing system-wide implementation of electronic real time passenger information screens, “help point” intercom kiosks and close circuit television security systems (26 Metro lines, 458 stations, 300 bus routes) • The implementation of regional "pre-trip" web-based transit planning solutions:

Abstract

Telematics is once again gaining traction, but how do stakeholders best provide telematics services to the consumer while maximizing revenue? Key factors to consider: • Wireless communications (Bluetooth, Wi-Fi, satellite and cellular) are becoming standard in vehicles an...Lead moreTelematics is once again gaining traction, but how do stakeholders best provide telematics services to the consumer while maximizing revenue? Key factors to consider: • Wireless communications (Bluetooth, Wi-Fi, satellite and cellular) are becoming standard in vehicles and phones; • Automakers will be enablers and partners for telematics services; • Consumers are accustomed to carriers as their wireless providers. Deployment of embedded solutions is measured by automobile model years, so technology quickly outpaces automotive rollouts. So how can quick-to-market telematics services be provided? One way, which this paper explores, is to use wireless communications with a vehicle’s existing communications system.

Abstract

Alternative methods of sampling and aggregating probe vehicle data are evaluated in order to understand the trade-offs in accuracy and timeliness of the output data and the amount of data processing and backhaul data communications that will be required. These evaluations...Lead moreAlternative methods of sampling and aggregating probe vehicle data are evaluated in order to understand the trade-offs in accuracy and timeliness of the output data and the amount of data processing and backhaul data communications that will be required. These evaluations are based on simulation of a heavily traveled arterial corridor, with baseline probe sampling following the SAE J2735 standard, and multiple alternatives to that approach.

Abstract

Generally, the application of web services technologies and standards to Advanced Traveller Information Systems enables the seamless integration of information from multiple agencies to provide the traveller a full picture of mobility in a region. In addition, web service...Lead moreGenerally, the application of web services technologies and standards to Advanced Traveller Information Systems enables the seamless integration of information from multiple agencies to provide the traveller a full picture of mobility in a region. In addition, web services allow new information providers to simply publish their data in a open non-proprietary methods. This paper will provide a description of the web services approach to integrating systems to publish traveller information using XML, SOAP and ITS standard messages. The web services standards are managed by the W3C www.w3c.org while the ITS ATIS message standards have been developed by the SAE and ITE in North America. The paper will highlight two recent deployments highlight the benefits of using web services to provide an integrated traveller information services, the Los Angeles RIITS and the Vancouver iMove™.

Abstract

One goal of Intelligent Transportation System (ITS) is to propagate messages among vehicles in a timely and efficient manner. Designing efficient broadcasting algorithms is critical as a fundamental service in supporting many applications/protocols. By takings advantage o...Lead moreOne goal of Intelligent Transportation System (ITS) is to propagate messages among vehicles in a timely and efficient manner. Designing efficient broadcasting algorithms is critical as a fundamental service in supporting many applications/protocols. By takings advantage of the unique features of vehicular networks, in this paper our gateway-pruning scheme provides an efficient and stable hierarchical network backbone, and only few gateway nodes are responsible for rebroadcasting. A simulation study has been conducted in an innovative and realistic vehicular network. The results show the scheme significantly reducing the number of retransmissions, while improving the reachability in comparison to other schemes.

Abstract

During the year 2002, an estimated 1.18 million people died and over 20 million injured in road traffic crashes worldwide. Lately, more and more sensors and communication technologies are being deployed on vehicles and infrastructure for safety and efficiency. It is being...Lead moreDuring the year 2002, an estimated 1.18 million people died and over 20 million injured in road traffic crashes worldwide. Lately, more and more sensors and communication technologies are being deployed on vehicles and infrastructure for safety and efficiency. It is being recognized that cooperation between the vehicles and infrastructure is an essential requirement for improving safety. The governments and private industry have been committing vast resources into R&D in competition to demands by other sectors. The question is: how much economic benefit is likely to accrue if and when, the V-I technology is deployed. A team of engineers and economists from the government, the University and the Center for Automotive Research have initiated the first of its kind study to find answers. The results including, but not limited to: employment, taxes and income will be available later this year for presentation at the 14th World Congress.

Abstract

An on-line coordinated methodology is presented to reduce the speed level of the traffic flow approaching a downstream work zone bottleneck. The proposed approach uses a sequential, multi-stage speed reduction scheme with a set of the variable advisory speed signs whose v...Lead moreAn on-line coordinated methodology is presented to reduce the speed level of the traffic flow approaching a downstream work zone bottleneck. The proposed approach uses a sequential, multi-stage speed reduction scheme with a set of the variable advisory speed signs whose values are determined in real time using the speed measurements. The key parameters in the system, such as the driver compliance rates and the proportion of the speed reduction at each sign location, are also determined in real time. A simplified version with a two-stage reduction method was implemented at one of the I-494 work zones in the Twin Cites, Minnesota, for a three week period in 2006.

Abstract

As the implementation of ITS technology continues to be more prevalent, the need for more sophisticated technology is required to optimize the use of infrastructure. One such area of technology is the realm of video detection which is a $100 million industry in the US alo...Lead moreAs the implementation of ITS technology continues to be more prevalent, the need for more sophisticated technology is required to optimize the use of infrastructure. One such area of technology is the realm of video detection which is a $100 million industry in the US alone. The use of fixed cameras are widely used for their ability to accurately assess conditions on roadways and capture valuable data including car counts, vehicle speed and incident detection. The following papers discusses a method to use uncalibrated pan, tilt, zoom cameras to capture the same information by using a method of auto calibration which requires no user input. This allows a single camera to collect the information which would have required many fixed cameras in order to maximize the effective return on infrastructure investment.