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Recent Additions
This page includes the documents that were newly added to the repository within the last 30 days.
1 - 20 of 559 results
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  • Hazard Analysis of Concept Heavy-Truck Platooning Systems
    Published Date:
    2021-05-01
    Abstract:
    This study explores the potential safety implications of two heavy-truck platooning concepts. The findings summarized in this final report are intended to assist with identifying and assessing potential safety hazards and risks associated with concep...
    File Type:
    Filetype[PDF - 1.87 MB]
    Added:
    05/13/2021
  • Connected Vehicle Pilot Deployment Program Performance Measurement and Evaluation– Tampa (THEA) CV Pilot Phase 3 Evaluation Report
    Published Date:
    2021-03-05
    Abstract:
    This report presents the methodology and results of the performance measurement and evaluation of the Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle Pilot Deployment. The study evaluated the deployment of CV technology in six use ca...
    File Type:
    Filetype[PDF - 18.23 MB]
    Added:
    05/13/2021
  • Introduction to the U.S. DOT Public Access Policy & Resources [Presentation to FAA]
    Published Date:
    2021-04-05
    Abstract:
    In this presentation at the Federal Aviation Administration WJHTC/CAMI Library Services for Researchers Event, NTL Data Curator, Leighton Christiansen, give a brief presentation on the US DOT Public Access Plan, its context, and resources for impleme...
    File Type:
    Filetype[PDF - 7.03 MB]
    Added:
    05/11/2021
  • Seismic Retrofits of Reinforced Concrete Columns Using Titanium Alloy Bars
    Published Date:
    2020-05-01
    Abstract:
    To explore their potential for seismic retrofitting of seismically deficient RC columns using titanium alloy bars (TiABs), experimental tests were undertaken in the laboratory using full-scale specimens. The specimens were designed to have vintage de...
    File Type:
    Filetype[PDF - 20.03 MB]
    Added:
    05/10/2021
  • Asymmetric Information Sharing in Dialysis Paratransit using an Agency Approach
    Published Date:
    2018-12-01
    Abstract:
    Dialysis patient transit services presents an agency problem (Eisenhardt, 1989) where the county paratransit operator is the agent that provides the principal, the dialysis center, transport of dialysis patients to their centers under conditions of i...
    File Type:
    Filetype[PDF - 561.87 KB]
    Added:
    05/10/2021
  • Incident Management Workshop: Framework for Developing Incident Management Systems
    Published Date:
    1998-01-01
    Abstract:
    This document describes a procedure for developing an effective incident management system. It discusses the issues that must be addressed as a management system is developed, and describes the types of decisions and actions that must be considered t...
    File Type:
    Filetype[PDF - 16.88 MB]
    Added:
    05/10/2021
  • Guidance for Evaluating Traffic Safety Culture Strategies
    Published Date:
    2021-01-01
    Abstract:
    This project conducted a literature review of current practices in the evaluation of traffic safety culture strategies. This review focused on transportation safety literature but also extended to evaluating safety culture in other public health sect...
    File Type:
    Filetype[PDF - 2.88 MB]
    Added:
    05/10/2021
  • SUPERPAVE for Local Governments: Participant Manual
    Published Date:
    1998-01-01
    Abstract:
    Superpave is an acronym for Superior Performing Asphalt Pavements. Superpave is a new, comprehensive asphalt mix design and analysis system, a product of the Strategic Highway Research Program. Congress established SHRP in 1987 as a five-year, $150 m...
    File Type:
    Filetype[PDF - 5.40 MB]
    Added:
    05/10/2021
  • TMIP How-To: Create Travelshed TAZs
    Published Date:
    2015-04-10
    Abstract:
    This How-to report shares why and how TAZs were developed for the new Tennessee statewide model using a travelshed paradigm rather than traditional network-based boundaries. Using travelsheds to define TAZs results in a clearer relationship between t...
    File Type:
    Filetype[PDF - 1013.56 KB]
    Added:
    05/10/2021
  • Synopsis of New Methods and Technologies to Collect Origin-Destination (O-D) Data
    Published Date:
    2016-05-13
    Abstract:
    This report provides an overview and detail on the use of cellular, GPS, and Bluetooth technologies for origin-destination (O-D) data. It discusses what each technology represents and its capabilities and limitations in relation to accuracy, sample s...
    File Type:
    Filetype[PDF - 2.56 MB]
    Added:
    05/10/2021
  • Testing ‘Wildlife Friendly’ Fence Modifications to Manage Wildlife and Livestock Movements
    Published Date:
    2020-09-01
    Abstract:
    Fences are ubiquitous across the landscape, yet there is little understanding on their effects on wildlife. Fences pose both indirect (i.e., access to habitat, energetic costs) and direct (i.e., mortality) consequences to wildlife, and so their effec...
    File Type:
    Filetype[PDF - 5.23 MB]
    Added:
    05/10/2021
  • Feasibility of Non-Proprietary Ultra-High Performance Concrete (UHPC) for use in Highway Bridges in Montana: Phase II Field Application
    Published Date:
    2021-03-01
    Abstract:
    The overall objective of this research was to further develop and characterize an economical non-proprietary ultra high performance concrete (UHPC) made with materials readily available in Montana. Specifically, this research focused on (1) investiga...
    File Type:
    Filetype[PDF - 46.51 MB]
    Added:
    05/10/2021
  • Making a Model a Good Predictive Tool
    Published Date:
    2016-11-30
    Abstract:
    A basic part of travel demand model validation is running the model for a “base year” and comparing the outputs to observed data. Sensitivity testing and temporal validation are also critical components of any model validation effort. In this pro...
    File Type:
    Filetype[PDF - 1.84 MB]
    Added:
    05/10/2021
  • Analysis of Congestion Scenarios for Long Range Plans Using Travel Forecasting Models
    Published Date:
    2017-10-30
    Abstract:
    This report describes the process of developing, analyzing, and displaying results of a scenario forecasting process using travel demand models. A Travel Time Index (TTI) is the ratio of travel time without congestion (called free flow) and congested...
    File Type:
    Filetype[PDF - 2.65 MB]
    Added:
    05/10/2021
  • Understanding GPS and Mobile Phone Data for Origin-Destination Analysis
    Published Date:
    2017-10-31
    Abstract:
    Emerging datasets such as mobile phone and GPS data have now become a promising data source for many transportation planning applications, including origin-destination (OD) analyses, which serve as the basis for transportation investment and policy d...
    File Type:
    Filetype[PDF - 5.64 MB]
    Added:
    05/10/2021
  • Understanding Traditional Origin-Destination Data: A Survey
    Published Date:
    2017-10-01
    Abstract:
    Many transportation planning models rely on estimates of origin-destination (OD) travel flows for inputs or validation. Conventional 4-step travel demand models estimate origins and destinations using trip generation and trip distribution approaches....
    File Type:
    Filetype[PDF - 2.32 MB]
    Added:
    05/10/2021
  • How-To: Model Destination Choice
    Published Date:
    2018-04-30
    Abstract:
    This How-To guide walks the reader through the process of destination choice modeling. The guide describes the various data sources used in destination choice modeling, how the set of potential destinations is defined, how the model is specified and ...
    File Type:
    Filetype[PDF - 3.20 MB]
    Added:
    05/10/2021
  • Volume 2: Model Impacts of Connected and Autonomous/Automated Vehicles (CAVs) and Ride-Hailing with an Activity-Based Model (ABM) and Dynamic Traffic Assignment (DTA)-An Experiment
    Published Date:
    2018-04-01
    Abstract:
    This report describes the experiment on how to model impacts of connected and autonomous/automated vehicles (CAVs) and ride-hailing with an Activity-Based Model (ABM) and Dynamic Traffic Assignment (DTA) in the context of Exploratory Modeling and Ana...
    File Type:
    Filetype[PDF - 4.28 MB]
    Added:
    05/10/2021
  • Volume 1: Integrated ABM-DTA Methods to Model Impacts of Disruptive Technology on the Regional Surface Transportation System - A Feasibility Study
    Published Date:
    2017-12-01
    Abstract:
    This report investigates using detailed simulation models to help regional and state agencies plan for the effects of connected vehicle (CV) and autonomous vehicle (AV) technologies in long-range planning. The research integrates the DaySim activity-...
    File Type:
    Filetype[PDF - 6.47 MB]
    Added:
    05/10/2021
  • How-to: Quantify Uncertainty in Travel Forecasts
    Published Date:
    2018-04-01
    Abstract:
    Travel forecasts inherently embody some level of uncertainty as a result of uncertainties around many of the key inputs, simplifications, and statistical methods that are used to derive those forecasts. This uncertainty translates into risks that dec...
    File Type:
    Filetype[PDF - 2.07 MB]
    Added:
    05/10/2021
1 - 20 of 559 results
20 50 results
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