Download or read book Analysis of Texas Traffic Monitoring Program written by Wiley D. Cunagin and published by . This book was released on 1989 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Texas Department of Transportation Traffic Forecasting Practices written by George B. Dresser and published by . This book was released on 1995 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Assessment of a Traffic Monitoring System for a Major Traffic Generator to Improve Regional Planning written by Todd B. Carlson and published by . This book was released on 2009 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Assessment of a Traffic Monitoring System for a Major Traffic Generator to Improve Regional Planning written by and published by . This book was released on 2008 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this guide is to aid the Texas Department of Transportation (TxDOT), Metropolitan Planning Organizations (MPO), and other state and local agencies to develop an effective traffic monitoring system for new major traffic generators in their metropolitan region. This guidebook will provide you, the transportation planner and engineer, with a better understanding of the considerations that need to be taken when developing a monitoring system for these types of large generators.
Download or read book Survey Analysis for Evacuee Preferences on Real time Traffic Monitoring Systems in Texas written by Kangni Jiang and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relocating large populations from at-risk locations to safe areas using existing road networks in a timely manner is a challenge faced by many transportation agencies in regions exposed to hurricanes. Residents may react disparately to evacuation orders based on their past experiences and the information that they receive. Real-time traffic monitoring devices may assist with evacuations by alerting operators to traffic congestion or roadway incidents such as disabled vehicles, which may block evacuation routes and impact the safety and efficiency of the evacuation event. Evacuees may rely on real-time traffic information to make evacuation decisions and select their routes and destinations. To better understand their perceptions and usage of traffic monitoring devices during past hurricane evacuations, an online survey was distributed via email and social media, targeting Texas residents who were exposed to previous hurricane events in the state. Survey questions were designed to learn about the demographics of evacuees, common issues encountered during past Texas hurricane evacuations, the usage of traffic monitoring devices, and suggestions for traffic monitoring system improvements. A total of 1,398 valid responses were received, and the results indicate that certain demographic groups may be more likely to evacuate compared to other groups. The results also suggest that improved traffic data quality and accessibility may increase the likelihood for residents to evacuate and improve evacuation efficiency
Download or read book Application of the Texas Model for Analysis of Intersection Capacity and Evaluation of Traffic Control Warrants written by Clyde E. Lee and published by . This book was released on 1978 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Utilization of Knowledge based Expert Systems to Enhance the Decision Making in States Traffic Monitoring Programs written by Abdulkadir Ozden and published by . This book was released on 2017 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic monitoring is one of the primary activities of state highway agencies. A reliable estimation of the traffic is vital for the management and future planning of the roadways, and as well as the apportionment of the federal funding. Traffic Monitoring Program in states is responsible for collecting, storing, processing, and disseminating the traffic data. Determination of volume and vehicle classification trends, utilization of appropriate MADT and AADT estimation methods, establishment of Traffic Pattern Groups (TPG) and use of the adjustment factors to expand the short duration counts are some of the primary activities within states' traffic monitoring program. ☐ DelDOT Traffic Monitoring Program has been evaluated and updated to establish the TPGs and derive the adjustment factors to represents the current traffic conditions in Delaware. Analysis of data revealed few problems that should be addressed (i.e. adjustment factors are sometimes not properly used, and TPGs are not regularly evaluated/updated). Additionally, a national level survey conducted to understand the issues and challenges that state highway agencies facing in collecting and processing of state traffic monitoring data, specifically continuous and shortduration data. Both survey responses and DelDOT analysis results have shown that a Knowledge-based Expert System (KBES) application can contribute to states' traffic monitoring program by informing and guiding the user to improve the traffic monitoring related decisions. ☐ The primary objective of this study was to develop a KBES application, called TMDEST, for providing assistance and decision support tool to the transportation agencies in states' traffic monitoring programs, specifically in TPG analysis. TMDEST asks focused and relevant questions to the user and provide situation-specific advice in six modules. In some modules, the user is asked to provide numerical input such as the number of stations and coefficient of variation value if available. ☐ Class/Weight Trend Module is designed to guide the user to identify the most important vehicle classes and the trucks that exert the most weight by using FHWA's VTRIS W-Tables. MADT/AADT Methods Module and TPG Methods Module are designed to inform the user regarding the major MADT/AADT estimation methods and TPG analysis methods to recommend the most appropriate methods based on the presence and amount of missing data and the inclusion of temporal variations. TPG Groups Module provides an approximate estimation of TPGs based on roadway functional classification and seasonal variation. Sample Size Estimation Module is designed to test the number of continuous count stations in each TPG for statistical significance. Lastly, Adjustment Factors Module incorporates all possible adjustment factors and evaluates the necessity of the use by asking multiple-choice questions to the end user regarding the extent of the collected short duration data. ☐ Overall evaluation of the TMDEST revealed that each module well satisfies the design specifications, and in general, the developed tool (1) informs and guides the user regarding the methods and procedures, (2) provides an approximate method for establishing TPGs. Additionally, verification, validation, and evaluation of the TMDEST showed that the expert system based tool was built right and does the job that it intends to do. Utilization of an expert system development tool (Exsys Corvid® Core) significantly expedited to the verification and validation process. The simple proof method was used to evaluate each module for completeness, consistency, and correctness. Although the majority of the content in the knowledge base was obtained from FHWA's traffic monitoring guide, simple true/false test was applied to the modules where the content was partially generated to validate the knowledge base. TMDEST and each module are considered as valid and applicable tool in states traffic monitoring program. Lastly, a discussion of further work is provided to improve the extent of the TMDEST in states' traffic monitoring program.
Download or read book Analysis and Projection of Research on Traffic Surveillance Communication and Control written by Karl Moskowitz and published by . This book was released on 1970 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research was conducted to evaluate the state-of-the-art of traffic surveillance, communication, and control, and to set forth guide lines for the determination of rapid-payoff research that could be undertaken through the National Cooperative Highway Research Project and the state highway departments. The method used to determine the recommended program of research was to digest and interpret all pertinent literature, followed by field visits to study the experiments, to arrive at subjective evaluations based on the investigator's traffic engineering experience. The analysis of current research includes freeway control, system control of traffic signals, communication between vehicles, and other traffic systems research.
Download or read book AASHTO Guidelines for Traffic Data Programs written by American Association of State Highway and Transportation Officials. Joint Task Force on Traffic Monitoring Standards and published by American Association of State Highway & Transportation Officials. This book was released on 1992 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of these AASHTO Guidelines is to improve the quality of the traffic information that supports decisions at all levels of the transportation profession. The Guidelines provide a reference for professional traffic monitoring and establish a process for adoption of national traffic nomitoring standards. They specifically address concerns of state transportation agencies.
Download or read book Guidebook for Development of Traffic Monitoring Systems for Major Traffic Generators in the State of Texas written by Todd B. Carlson and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this guide is to aid the Texas Department of Transportation (TxDOT), Metropolitan Planning Organizations (MPO), and other state and local agencies to develop an effective traffic monitoring system for new major traffic generators in their metropolitan region. This guidebook will provide you, the transportation planner and engineer, with a better understanding of the considerations that need to be taken when developing a monitoring system for these types of large generators.
Download or read book Case Studies of Traffic Monitoring Programs in Large Urban Areas written by Joseph J. Mergel and published by . This book was released on 1997 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analysis of Seasonal and Day of week Traffic Patterns at National Parks written by Lindsay Elizabeth Liggett and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Park Service (NPS) is currently contemplating the implementation of a system-wide traffic monitoring program. While several of the national parks within this network collect continuous vehicle data at multiple stations within each park, these programs have not been examined for their efficiency and cost effectiveness. Therefore, as the NPS looks to expand their count program, this thesis investigates potential improvements using a sample set of five parks. To determine whether the national park seasonal and day-of-week traffic patterns exhibit consistency from one year to the next, the seasonal and day-of-week factors were compared across all five years. Using the Kruskal-Wallis test, it was determined that the seasonal and day-of-week factors were not statistically different from 2002 to 2006 for all five national parks. Therefore, it is recommended that the NPS consider reducing the amount of data that they collect by using short-duration counts in conjunction with a modest number of permanent counts. To determine whether data collection efforts can be shared amongst various entities, the national park traffic counts for 2002 to 2006 were compared to those of nearby state highway automatic traffic recorder (ATR) locations using correlation analyses. While the correlation values ranged from "high" to "negligible", the distance between the park and ATR location had a direct effect on the magnitude of the value. Therefore, in order to achieve the greatest probability that the correlation will be "high", it is suggested that the NPS share data collection efforts using ATR locations within 20 miles of the park. To determine which design volume calculation method was most appropriate for the parks, design volumes were computed using two methods. Using the traditional Kfactor plot, it was determined that the 30th highest hourly volumes should be used for urban parks as this is where the "knee" occurs. Although this is not the case for rural parks, there is no compelling evidence to suggest a more appropriate design hour. Additionally, the method recommended by AASHTO for recreational roadways resulted in volumes that were frequently exceeded. Therefore, the K-factor plot method is most appropriate for both the urban and rural parks.
Download or read book Monitoring Work Zone Safety and Mobility Impacts in Texas written by Gerald L. Ullman and published by . This book was released on 2009 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report, Texas Transportation Institute researchers identify key work zone safety and mobility performance measures that the Texas Department of Transportation (TxDOT) should target as part of a work zone monitoring program within a district, region, or across the state. Analysis methodologies and computational procedures are presented that will yield the recommended performance measures. For mobility-based measures, researchers recommend that TxDOT target the collection of queue length and travel time delay data caused by temporary lane closures, as the congestion and delays that result from those activities are the simplest to isolate and attribute to the work activities themselves. With regard to work zone safety monitoring, researchers developed procedures that aid a district or project engineer in determining which projects are most suitable for safety monitoring via a periodic review of crash statistics occurring before and during the project. Researchers developed graphs that indicate combinations of work zone length (or work zone segment length), average daily traffic, normal crash rate, and work zone phase or project direction that will most likely allow for reasonable inferences to be made regarding the relative level of safety being maintained within the project. Researchers also developed graphs to aid field or district personnel in quickly determining whether accident frequencies being experienced during a project are within, or above, tolerance limits for that type of project on that facility.
Download or read book Real time Coordinated actuated Traffic Control During Congested Conditions written by Nadeem A. Chaudhary and published by . This book was released on 1997 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Traffic Control Device Analysis Testing and Evaluation Program written by Melisa Dayle Finley and published by . This book was released on 2019 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project provides the Texas Department of Transportation with a mechanism to conduct high-priority, limited-scope evaluations of traffic control devices. Work conducted during the 2018 fiscal year included: Evaluation of the safety of wet-weather pavement markings, Identification of effective work zone pavement marking removal techniques, review of raised retro reflective pavement marker practices in other states, identification of current uses and effectiveness of safety corridors, hosting of a wrong-way driving forum, assessment of pedestrian crashes on freeways and high-speed arterials, review of the design and application of lane control signs on frontage roads, review of the application of embedded light-emitting diodes in signs.
Download or read book Development of Urban Traffic Management and Control Systems written by William R. McCasland and published by . This book was released on 1974 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Improving Traffic Control Effectiveness in Complex Work Zones written by Gerald L. Ullman and published by . This book was released on 2003 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information from driver studies performed during the first year of the project identified several features and conditions that created confusion and anxiety in traversing the work zone. Many of these conditions represented deficiencies in the work zone traffic control from the standpoint of positive guidance principles. This report describes the efforts to tailor the application of positive guidance procedures to work zone traffic control installations reviews. Four key steps, hazard visibility assessment, expectancy violation determination, information load analysis, and information needs specification, are described in the context of traffic control at potentially complex work zones. A methodology is presented for applying these steps in a field review process to be performed as part of the work zone traffic control installation process.
