Now showing items 294-313 of 496

    • Maintaining Airport Pavement Friction Using Surface Densification 

      Gransberg, Douglas D.; Pittenger, Dominique M. (2015-06-04)
      Pavement structures are an airport's “greatest asset and greatest liability”. As a result, preserving airport pavements is not only the most logical but also the most economical solution because preservation focuses on ...
    • The Management Of Skid Resistance In Australia – A National, State Or Local Task? 

      Hillier, P. (2012)
      It is widely recognised that providing appropriate levels of skid resistance and surface texture across a road network can make a valuable contribution in securing positive road safety outcomes. Yet, the proactive management ...
    • Managing Missing Pavement Performance Data in Pavement Management System 

      Farhan, Javed; Fwa, Tien F. (2015-05-01)
      Missing data in pavement condition and performance records of pavement management systems (PMS) are ubiquitous in practice. Imputation of missing data is often required in the analysis of pavement performance and decision ...
    • Market Guide to Fleet Telematics Services: Creating a Consumer's Guide to Currently Available Aftermarket Solutions 

      Trimble, Tammy E.; Bowman, Darrell Scott (Virginia Tech. Virginia Tech Transportation Institute, 2012-12-21)
      This report documents an effort to review the currently available, aftermarket telematics solutions. The project involved: (a) a survey of the current telematics market; (b) a review of the available telematics systems; ...
    • Matching GPS Records to Digital Map Data: Algorithm Overview and Application 

      McLaughlin, Shane B.; Hankey, Jonathan M. (National Surface Transportation Safety Center for Excellence, 2015-03-03)
      Records of latitude and longitude pairs describing an approximate path of travel are logged by many types of Global Positioning System (GPS)-enabled devices. These logs of latitude/longitude (lat/lon) pairs specify geographic ...
    • Maximise levels of service using cross-asset portfolio renewals management 

      Mason, Michael; Rangamuwa, Siri; Henning, Theunis F. P. (2015-06-04)
      Auckland Transport is tasked with managing its road and public transport assets in the most cost-efficient manner to deliver levels of service and manage risk across the asset portfolio. The renewals approach outlined in ...
    • Measures of Pavement Performance Must Consider the Road User 

      Hudson, W. Ronald; Haas, Ralph; Perrone, Eric (2015-06-04)
      In 1960, Bill Carey and Paul Irick developed the Present Serviceability Index (PSI) as a user-based performance measure to define pavement quality and failure at the AASHO Road Test, a controlled load experiment that cost ...
    • Measuring Pavement Condition Data for a Long-term Pavement Performance Study on New Zealand Roads 

      Brown, Douglas N. (2015-06-04)
      New Zealand like most countries has "site specific" factors which influence pavement performance, some of which are not well investigated or covered in current pavement deterioration models. Apart from the wide variation ...
    • Measuring User Acceptance of and Willingness-to-Pay for CVI Technology 

      Shin, Hyeong-Shic; Callow, Michael; Farkas, Z. Andrew; Lee, Young-Jae; Dadvar, Seyedehsan (Connected Vehicle/Infrastructure University Transportation Center, 2016-09-30)
      The increased prevalence of Connected Vehicles (CVs) is expected to provide significant safety benefits to roadway users. Estimates indicate that the use of CVs will reduce non-impaired driver crashes by 80 percent. To ...
    • Method for identifying rural, urban, and interstate driving in naturalistic driving data : final report 

      Cannon, Brad R.; McLaughlin, Shane B.; Hankey, Jonathan M. (Virginia Tech. Virginia Tech Transportation Institute, 2009-03-12)
      By employing the functionality of GIS, code was written which allows for an automated process to compare the GPS data recorded in the naturalistic driving data with geographic map data from the U.S. Census Bureau and road ...
    • A Method to Enhance the Performance of Synthetic Origin-Destination (O-D) Trip Table Estimation Models 

      Sivanandan, R.; Nanda, Dhruv (Virginia Center for Transportation Innovation and Research, 1998-01)
      The conventional methods of determining origin-destination (O-D) trip tables involve elaborate surveys, e.g., home interviews, that require considerable time, staff, and funds. To overcome this drawback, a number of ...
    • A Methodology To Evaluate Pavement Noise Performances For Characterisation, Checking And Monitoring Purposes 

      Anfosso-Lèdèe, F.; Leroux, C. (2012)
      Over the past decade, road industry developed efficient low noise pavements, providing rolling noise reductions up to 8 dB(A) compared to traditional dense asphalt pavements. With such a progress, road authorities are ...
    • Methodology to Evaluate Teen Driver Training Programs : [brief] 

      Trimble, Tammy E. (Wisconsin. Department of Transportation, 2014-03)
      In the United States, teenage drivers are more at risk of being involved in crashes than any other age group. Statistics reveal a clear need for improving teenagers' driving skills, judgment and behavior. Driver education ...
    • Methods for Assessing the Polishing Characteristics of Coarse Aggregates for Use in Pavement Surface Layers 

      Wang, Linbing; Druta, Cristian; Lane, D. Stephen (Virginia Center for Transportation Innovation and Research, 2010-06-01)
      The predominant aggregate resources located in the western parts of Virginia are carbonate rocks. The mineral components of these rocks tend to be relatively soft and subject to abrasive wear under traffic that leads to ...
    • Metropolitan Model Deployment Initiative San Antonio Evaluation Report 

      Carter, M.; Cluett, Chris; DeBlasio, Allan; Dion, Francois; Hicks, B.; Lappin, Jane; Novak, D.; Rakha, Hesham A.; St-Onge, C.; Van Aerde, Michael W. (United States. Department of Transportation, 2000-05)
      This report presents the evaluation results of the San Antonio, Texas Metropolitan Model Deployment Initiative (MMDI). The MMDI was sponsored by the US Department of Transportation and focused on aggressive deployment of ...
    • Microscopic Analysis of Traffic Flow in Inclement Weather 

      Rakha, Hesham A.; Krechmer, Daniel; Cordahi, G.; Zohdy, Ismail; Sadek, S.; Arafeh, Mohamadreza (United States. Federal Highway Administration, 2009-11)
      Weather causes a variety of impacts on the transportation system. An Oak Ridge National Laboratory study estimated the delay experienced by American drivers due to snow, ice, and fog in 1999 at 46 million hours. While ...
    • Microscopic Analysis of Traffic Flow in Inclement Weather 

      Rakha, Hesham A.; Zohdy, Ismail; Park, Sangjun; Krechmer, Daniel (United States. Federal Highway Administration, 2010-12)
      This report documents the second part of the FHWA research study involving analysis of the microscopic impacts of adverse weather on traffic flow, but is a third phase of the research effort on the impacts of weather on ...
    • Miriam: An International Round Robin Test To Compare Rolling Resistance Measurement Methods 

      Bergiers, A.; Goubert, L.; Anfosso-Lèdèe, F.; Ejsmont, J.A.; Sandberg, U.; Zoller, M. (2012)
      The MIRIAM project (Models for rolling resistance in Road Infrastructure Asset Management Systems) was originally established by twelve partners from Europe and USA. It aims at developing methods for improved control of ...
    • A Mobile Profilometer For Road Surface Monitoring By Use Of Accelerometers 

      Tomiyama, K.; Kawamura, A.; Nakajima, S.; Ishida, T.; Jomoto, M. (2012)
      Surface roughness of a pavement has been recognized to be an important parameter for determining maintenance and rehabilitation needs for road networks. To predict roughness condition reliably, an objective and repeatable ...
    • Mobile User Interface Development for the Virginia Connected Corridors 

      Mollenhauer, Michael; Noble, Alexandria M.; Doerzaph, Zachary R. (Connected Vehicle/Infrastructure University Transportation Center, 2016-10-15)
      The purpose of this research and development activity was to build a mobile application with a low-distraction user interface appropriate for use in a connected vehicle (CV) environment. To realize their full potential, ...