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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 148 results
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  • Separated Bike Lane Planning and Design Guide
    Published Date:
    2015-05-01
    Abstract:
    This Separated Bike Lane Planning and Design Guide outlines planning considerations for separated bike lanes (also sometimes called “cycle tracks” or “protected bike lanes”) and provides a menu of design options covering typical one and two-w...
    File Type:
    Filetype[PDF - 97.27 MB]
    Added:
    09/21/2020
  • Incorporating On-Road Bicycle Networks into Resurfacing Projects
    Published Date:
    2016-03-01
    Abstract:
    Installing bicycle facilities during roadway resurfacing projects is an efficient and cost-effective way for communities to create connected networks of bicycle facilities. This workbook provides recommendations for how roadway agencies can integrate...
    File Type:
    Filetype[PDF - 54.94 MB]
    Added:
    09/21/2020
  • Delivering Safe, Comfortable, and Connected Pedestrian and Bicycle Networks: A Review of International Practices
    Published Date:
    2015-05-01
    Abstract:
    The purpose of this study was to identify noteworthy and innovative international designs, treatments, and other practices that have potential to improve bicycle and pedestrian safety and access and increase walking and bicycling in the United States...
    File Type:
    Filetype[PDF - 8.50 MB]
    Added:
    09/21/2020
  • Coding Nonmotorized Station Location Information in the 2016 Traffic Monitoring Guide Format
    Published Date:
    2016-11-01
    Abstract:
    The purpose of this guide is to make it easier for users to understand how the Traffic Monitoring Guide (TMG) format describes the information that should be collected when counting multimodal users, as well as how to format that information correctl...
    File Type:
    Filetype[PDF - 9.26 MB]
    Added:
    09/21/2020
  • Case Studies in Realizing Co-Benefits of Multimodal Roadway Design and Gray and Green Infrastructure
    Published Date:
    2018-03-01
    Abstract:
    This document highlights case studies of projects that contribute to safe and connected pedestrian and bicycle networks in States and communities throughout the U.S., while at the same time providing resiliency and green infrastructure benefits that ...
    File Type:
    Filetype[PDF - 20.63 MB]
    Added:
    09/21/2020
  • Peer-to-Peer Exchange: Integrating e-Construction Technologies and Partnering Considerations
    Published Date:
    2020-06-01
    File Type:
    Filetype[PDF - 1.04 MB]
    Added:
    09/21/2020
  • Destructive Testing of IDOT Bridge Structure Number 020-3087
    Published Date:
    2020-08-01
    Abstract:
    The partial collapse of Illinois Department of Transportation structure 020-3087 on October 1, 2019, provided IDOT with the opportunity to evaluate the in situ strength of a precast, prestressed concrete deck beam bridge after 50 years in service. An...
    File Type:
    Filetype[PDF - 4.39 MB]
    Added:
    09/21/2020
  • Assessment of Capacity Changes Due to Automated Vehicles on Interstate Corridors
    Published Date:
    2020-07-01
    Abstract:
    This study was designed to assess capacity changes due to the introduction of connected vehicles (CVs) and automated vehicles (AVs) on Virginia freeway corridors. Overall, three vehicle types, including legacy vehicles (LVs); vehicles equipped with a...
    File Type:
    Filetype[PDF - 3.84 MB]
    Added:
    09/21/2020
  • Trespasser Detection Systems on Railroad Rights-of-Way
    Published Date:
    2020-01-27
    Abstract:
    The U.S. Department of Transportation’s Volpe Center, under the direction of DOT’s Federal Railroad Administration Office of Research, Development, and Technology, conducted a research study to evaluate the effectiveness of trespass detection tec...
    File Type:
    Filetype[PDF - 2.58 MB]
    Added:
    09/21/2020
  • Trespasser Detection on Railroad Property Using Unmanned Aerial Vehicles
    Published Date:
    2019-11-30
    Abstract:
    The U.S. Department of Transportation’s (DOT's) John A. Volpe National Transportation Systems Center (Volpe), under the direction of DOT’s Federal Railroad Administration (FRA) Office of Research, Development and Technology (RD&T), conducted a re...
    File Type:
    Filetype[PDF - 2.96 MB]
    Added:
    09/21/2020
  • Feasibility of Vehicle-to-Vehicle Retrofit for Heavy Vehicles
    Published Date:
    2020-02-01
    Abstract:
    Research on the feasibility of vehicle-to-vehicle (V2V) retrofits for heavy trucks in this report includesan estimate of the total number of buses and trucks in the U.S. fleet (class 3 to 8), an engineeringanalysis of three installation configuration...
    File Type:
    Filetype[PDF - 1.66 MB]
    Added:
    09/21/2020
  • Railroad Software-Defined Radio
    Published Date:
    2020-09-01
    Abstract:
    Transportation Technology Center, Inc. assessed the potential use of a software-defined radio to meet the current and future wireless communication needs of the U.S. railroad industry. FRA funded this project due to the high level of complexity invol...
    File Type:
    Filetype[PDF - 3.15 MB]
    Added:
    09/21/2020
  • Development of Enhanced Overlay Positive Train Control (EO-PTC)[Research Results]
    Published Date:
    2020-09-01
    Abstract:
    Transportation Technology Center, Inc. (TTCI), with support from the Federal Railroad Administration, researched a new mode of train control to increase operational efficiency where Positive Train Control (PTC) equipment has been installed and is ope...
    File Type:
    Filetype[PDF - 521.90 KB]
    Added:
    09/21/2020
  • Mobility-Aware Integrated Urban Design
    Published Date:
    2018-09-30
    Abstract:
    Rapid urbanization, with new construction estimated to be 250 times NYC by 2050, is increasing traffic congestion, pollution and related health threats. This is a worrisome development but also a unique opportunity to improve urban mobility and quali...
    File Type:
    Filetype[PDF - 4.14 MB]
    Added:
    09/21/2020
  • Aerodynamic Equilibrium and Stability in Ventilation and Air Quality Control of Complex Urban Tunnels
    Published Date:
    2019-03-10
    Abstract:
    Modern urban vehicular tunnels generally have a branched structure and complex nonlinear aerodynamics. The authors established and analyzed the 1-D aerodynamic equations and pollutant dispersion model in such bifurcate hydraulic networks. To design a...
    File Type:
    Filetype[PDF - 1.22 MB]
    Added:
    09/21/2020
  • Investigation of Tack Coat Materials Tracking Performance
    Published Date:
    2019-07-01
    Abstract:
    This research evaluated the performance of asphalt emulsion tack coat used in Wisconsin to provide recommendations that make tack coat usage more efficient and effective. The study focused on measuring curing as measured by moisture loss, tracking as...
    File Type:
    Filetype[PDF - 1.99 MB]
    Added:
    09/21/2020
  • Quantifying the Value of Multimodal Freight Investments
    Published Date:
    2019-01-01
    Abstract:
    This research attempts to identify best practices available to practitioners for evaluating and comparing benefits derived from freight investments across modal projects. The study looks at various available frameworks for evaluating the economic imp...
    File Type:
    Filetype[PDF - 2.79 MB]
    Added:
    09/21/2020
  • Viability of Vehicle Length in Estimating Vehicle Classification and Axle Factors: Final Report- Phase II
    Published Date:
    2019-05-01
    Abstract:
    The primary objectives of this project are to understand the accuracy of axle factors determined from vehicle length and to develop and evaluate methods for converting length data to axle-based classifications. Phase I of project TPF 5(340) assessed ...
    File Type:
    Filetype[PDF - 2.70 MB]
    Added:
    09/21/2020
  • Performance and Policy Related to Aluminum Culverts in Wisconsin
    Published Date:
    2019-05-01
    Abstract:
    Current Wisconsin Department of Transportation policy severely limits the use of aluminum drainage structures (pipe and boxculverts) based on the observation of pitting corrosion from deicing salts that led to the failure of an aluminum culvert inWis...
    File Type:
    Filetype[PDF - 40.35 MB]
    Added:
    09/21/2020
  • Locating and Sizing Rail Head Defects for Rail Head Repair Welds Using Phased Array Ultrasonics [Research Results]
    Published Date:
    2020-09-01
    Abstract:
    Transportation Technology Center, Inc. (TTCI), as part of a cooperative effort between the Federal Railroad Administration (FRA) and Association of American Railroads (AAR), studied a new method to accurately locate rail head defects using onboard ph...
    File Type:
    Filetype[PDF - 725.41 KB]
    Added:
    09/21/2020
1 - 20 of 148 results
20 50 results
Sort By: