California Statewide Intelligent Transportation Systems Plan Evaluation: Case Study of Conformity with National Intelligent Transportation Systems Architecture

2003 ◽  
Vol 1826 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Jacqueline M. Golob ◽  
Cheryl C. Stecher ◽  
Cathy Felkins
Keyword(s):  
Intelligent Transportation Systems ◽  
System Integration ◽  
Data Exchange ◽  
Intelligent Transportation ◽  
Transportation Systems ◽  
Successful Implementation ◽  
Systems Architecture ◽  
Major Barrier ◽  
Operations And Maintenance ◽  
Final Rule

A statewide evaluation was conducted of Intelligent Transportation Systems (ITS) Strategic Deployment Plans in California. It found that all 12 plans covering the state will conform by April 8, 2005, with Federal Highway Administration and Federal Transit Administration ITS Architecture and Standards: Final Rule. Developing the plans greatly raised the knowledge and awareness of the potential benefits of integrated technology systems. Multiple layers of architecture have been identified, particularly in Southern California, where developments are most advanced. Experience with deployment of an interregional system of data exchange, Showcase, indicates that such systems require far more time and resources than could have been anticipated at the outset. Technology obsolescence and software documentation have become key issues that other regions will face as projects move from plans to major deployments. Funding the operation and maintenance of these systems is emerging as a major barrier to their successful implementation. So too is the need to educate senior management and elected officials about the infrastructure requirements of successful system integration. Funding the operations and maintenance and configuration management of systems will undoubtedly be the issue for focus in the next decade, as transportation professionals begin to fully understand the implications of the concept of regionally integrated ITS.

Study on Path Optimization Method of Traffic Guidance System under the Condition of the Car Networking

2014 ◽  
Vol 624 ◽  
pp. 567-570
Author(s):  
Dan Ping Wang ◽  
Kun Yuan Hu
Keyword(s):  
Real Time ◽  
Intelligent Transportation Systems ◽  
System Integration ◽  
Intelligent Transportation System ◽  
Intelligent Transportation ◽  
Transportation System ◽  
Transportation Systems ◽  
Guidance System ◽  
Wide Range ◽  
Computer Communication Network

Intelligent Transportation System is the primary means of solving the city traffic problem. The information technology, the communication, the electronic control technology and the system integration technology and so on applies effectively in the transportation system by researching rationale model, thus establishes real-time, accurate, the highly effective traffic management system plays the role in the wide range. Traffic flow guidance system is one of cores of Intelligent Transportation Systems. It is based on modern technologies, such as computer, communication network, and so on. Supplying the most superior travel way and the real-time transportation information according to the beginning and ending point of the journey. The journey can promptly understand in the transportation status of road network according to the guidance system, then choosing the best route to reach destination.

scholarly journals LPWAN-Based Hybrid Backhaul Communication for Intelligent Transportation Systems: Architecture and Performance Evaluation

2020 ◽  
Author(s):  
Taghi Shahgholi ◽  
Amir Sheikhahmadi ◽  
Keyhan Khamforoosh ◽  
Sadoon Azizi
Keyword(s):  
Low Power ◽  
Intelligent Transportation Systems ◽  
Data Exchange ◽  
Road Traffic ◽  
Intelligent Transportation ◽  
Traffic Monitoring ◽  
Transportation Systems ◽  
Area Network ◽  
Emergency Vehicle ◽  
Communication Infrastructure

Abstract There are more than 1.3 billion vehicles around the world and rapidly growing which causing worldwide challenges such as congestion, huge fuel consumption, and emissions. The solution to these issues could be expansion of infrastructure or making efficient use of the current infrastructure using current technological advances by implementing Intelligent Transportation Systems (ITSs). In this paper, we proposed and explored the possibility of using cellular-based Low-Power Wide-Area Network (LPWAN) communications, LTE-M and Narrowband Internet of Things (NB-IoT), for ITS applications. LTE-M and NB-IoT are designed to provide long-range, low power, and lowcost communication infrastructure and can be a viable promising option for immediate implementation in the real world. In order to understand the feasibility of using LPWAN for ITS, we investigated two applications with low and high delay requirements: road traffic monitoring and emergency vehicle management and preemption. Then, the performance of using LTE-M and NB-IoT for providing backhaul communication infrastructure has been evaluated in a realistic simulation environment and compared for these two scenarios in terms of end to end latency per user. SUMO traffic simulator has been used for realistic traffic generation and a Python-based program with the ability to live data exchange with SUMO has been developed for communication performance evaluations. The simulation results demonstrate the feasibility of using LPWAN for ITS backhaul infrastructure where it was in favor of the LTE-M over NB-IoT.

scholarly journals Experimental Evaluation of LoRa in Transit Vehicle Tracking Service Based on Intelligent Transportation Systems and IoT

Electronics ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 1950
Author(s):  
Felipe Jurado Murillo ◽  
Juan Sebastián Quintero Yoshioka ◽  
Andrés David Varela López ◽  
Ricardo Salazar-Cabrera ◽  
Álvaro Pachón de la Cruz ◽  
...  
Keyword(s):  
Intelligent Transportation Systems ◽  
Intelligent Transportation ◽  
Experimental Information ◽  
Transportation Systems ◽  
Vehicle Tracking ◽  
Receive Signal Strength Indicator ◽  
Area Network ◽  
Wide Area Network ◽  
Systems Architecture ◽  
Transmission Parameters

Long-range (LoRa) technology is a low power wide area network (LPWAN) technology that is currently being used for development of Internet of things (IoT)-based solutions. Transit transport, mainly in medium-sized cities where transit vehicles do not have exclusive lanes, is a service that can be improved with a tracking service using technology such as LoRa. Although some proposals exist, there is not enough experimental information to validate the LoRa technology as adequate. This article: (a) evaluates the operation of LoRa technology in a transit vehicle tracking service in a medium-sized city, based on an Intelligent Transportation Systems architecture and IoT; and (b) investigates optimal LoRa technology configuration parameters for the service. Experiments were performed in a semi-controlled environment using LoRa devices and a gateway, by measuring the received packets and the receive signal strength indicator (RSSI) and modifying: (a) distance; (b) number of devices; and (c) the main LoRa transmission parameters. Obtained results show the ideal values of parameters vary considerably with distance and number of devices used. There were very few settings of the experiments in which the RSSI and packet levels were adequate while distance and number of devices were both changed.

Experience Implementing a User Service for Archived Intelligent Transportation Systems Data

2005 ◽  
Vol 1917 (1) ◽  
pp. 90-99 ◽  
Author(s):  
Robert L. Bertini ◽  
Steve Hansen ◽  
Andrew Byrd ◽  
Thareth Yin
Keyword(s):  
Data Storage ◽  
Intelligent Transportation Systems ◽  
Traffic Management ◽  
Travel Demand ◽  
Intelligent Transportation ◽  
Transportation Systems ◽  
Successful Implementation ◽  
Data Archive ◽  
Data Archiving ◽  
Advanced Traffic Management System

In cooperation with the Oregon Department of Transportation (ODOT) and other regional partners, the Portland regional intelligent transportation systems (ITSs) data archive was recently inaugurated via a direct fiber-optic connection between ODOT and Portland State University (PSU). In July 2004, the Portland Regional Transportation Archive Listing was activated; it received 20-s data from the 436 inductive loop detectors composing the Portland area's advanced traffic management system. PSU is designated as the region's official data archiving entity, consistent with the ITS architecture being developed. This paper discusses the steps taken for successful implementation of the Portland region's functional ITS data archive and plans for development and expansion. Included is a discussion of the archive structure, data storage, data processing, and user interface. An experiment involving Metro, the Portland region's metropolitan planning organization, demonstrates that archived loop detector data can be used to improve travel demand forecasts for the Portland region. The data archive will expand to include transit data, freeway incident data, city traffic signal data, and truck weigh-in-motion data.

Guidelines for Funding Operations and Maintenance of Intelligent Transportation Systems/Advanced Traffic Management Systems

1997 ◽  
Vol 1588 (1) ◽  
pp. 49-62 ◽  
Author(s):  
Ginger Daniels ◽  
Tim Starr
Keyword(s):  
Intelligent Transportation Systems ◽  
Traffic Management ◽  
High Performance ◽  
Service Providers ◽  
Implementation Process ◽  
Intelligent Transportation ◽  
Transportation Systems ◽  
Management Systems ◽  
Adequate Funding ◽  
Operations And Maintenance

As the deployment of intelligent transportation systems (ITS) technologies moves forward, the issue of sustaining and supporting traffic management systems after they have been constructed becomes increasingly critical. In the midst of limited funding, undocumented costs, competing maintenance needs, aging systems, and institutional barriers, the systems already under operation are struggling to meet the expectations conveyed during implementation. Planning for day-to-day performance and upkeep, despite the necessity, has been an unglamourous and apparently secondary consideration in the ITS implementation process. A well-run and well-maintained system not only serves the transportation system users as intended, but boosts the credibility of the program with the public. Conversely, systems that are plagued with inadequate staffing, persistent software bugs, and inoperable field devices will fail to provide high-performance services and will certainly tarnish the ITS initiative and the credibility of all transportation service providers. Quantifying and securing the funding necessary to operate and maintain ITS and advanced traffic management systems adequately is the first step, yet very little documentation is available to assist system operators. First, a mechanism is provided for estimating the costs required to operate and maintain ITS elements adequately; second, the funding issues are examined and guidelines are provided to address the obstacles that prevent adequate funding of traffic management operations and maintenance. Although the Texas Department of Transportation costs and procedures are examined, the research and recommendations will be useful to other state agencies.

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