United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-04-22 | Special Issue - Weekly Motor Fuel Report
Abstract:
The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any ana...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-04-15 | Special Issue - Weekly Motor Fuel Report
Abstract:
The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any ana...
A focus on sustainability in aviation is required to mitigate the environmental impact of its growth. Modeling the environmental effects helps the aer...
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-01-01
Abstract:
Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 c...
United States. Department of Transportation. Federal Highway Administration
2024-03-01
Abstract:
The Federal Highway Administration’s (FHWA) Turner-Fairbank Highway Research Center (TFHRC) is the premier center for infrastructure, operations, an...
Safety analysis primarily focuses on identifying and quantifying the influences of contributing factors to traffic collisions and the consequences of ...
This report documents methodologies, predictive models, and computational procedures to estimate annual average daily truck traffic (AADTT) and AADTT ...
This project is one of the first CAV research projects focused on liability issues from a state department of transportation perspective. The research...
Connected and automated vehicles (CAV) promise momentous and positive changes to most aspects of modern life. Mobility is likely to be characterized b...
Research Project 0-7027 developed an accelerated mix design procedure for cement-treated base materials, with attention to test turnaround time and in...
Objectives: Reduce the testing burden • Use less materials • Produce mix design results faster • Use with materials for both plant and road mix ...
This project aimed to streamline CTB mixture design with an accelerated process and lab procedures similar to those recently developed for emulsified ...
Olefins, a common intermediate from biomass conversion processes, are undesirable in jet fuel because of their poor thermal stability. This paper pres...
Cement treatment of roadway or stockpile materials enhances the strength and stiffness properties of pavement base layers to meet structural requireme...
Polycyclic aromatic hydrocarbons are the main precursors to soot particles in combustion systems. A lack of direct experimental evidence has led to co...
Persistent contrails make up a large fraction of aviationʼs contribution to global warming. We describe a scalable, automated detection and matching ...
Ferry electrification is a growing domestic and global trend, driven by an interest in reducing operational and maintenance costs, and mitigating emis...
United States. Committee on the Marine Transportation System (CMTS). Supply Chain and Infrastructure Integrated Action Team
2015-07-01
Abstract:
Superseded Document. The U.S. Committee on the Marine Transportation System (CMTS) has developed this second edition of the Federal Funding Handbook f...
This project demonstrated that the color palette specified in FAA-HF-STD-010A (2020) can be used unaltered in air traffic control (ATC) towers during ...
United States. Committee on the Marine Transportation System (CMTS). Supply Chain and Infrastructure Integrated Action Team
2017-08-28
Abstract:
Superseded Document. The U.S. Committee on the Marine Transportation System (CMTS) has developed this second edition of the Federal Funding Handbook f...
United States. Committee on the Marine Transportation System (CMTS). Supply Chain and Infrastructure Integrated Action Team
2023-09-20
Abstract:
The CMTS Supply Chain and Infrastructure Integrated Action Team hosted a policy tabletop in September 2023. The purpose of this policy tabletop exerci...
The impacts of access management projects have been evaluated, documented, and debated by practitioners and adjacent property owners for decades. This...
A Safe System approach requires sustained and strong collaboration among multiple agencies, organizations, and individuals that influence and shape tr...
This study examines motorcycle safety from a Safe Systems perspective. The report is divided into two sections. The first section is a synthetic revie...
This research is a follow-up of the Analysis of Local Markets Phase I and Phase II studies conducted by the Alan M. Voorhees Transportation Center dur...
This research project focuses on the structural behavior of concrete-filled steel tube (CFST) to concrete pile cap connections, a critical component i...
This project aims to develop a robot (xBOT) that is customized for testing autonomous-connected vehicles. xBOT itself would be an automated-connected ...
Iowa is the only state in the US that gives parents the option to implement or waive a passenger restriction that limits the number of unrelated minor...
Iowa Department of Transportation expressed an interest in commissioning Infratek Solutions Inc. to provide its next-generation bridge deck assessment...
TraumaHawk, a smartphone app for law enforcement and first responders, was designed by the University of Iowa (UI) to connect pre-hospital emergency c...
The Iowa DOT is required to develop stormwater pollution prevention plans (SWPPPs) to minimize the risk of downstream pollution emanating from highway...
The Highway Safety Manual (HSM), published by the American Association of State Highway and Transportation Officials (AASHTO) provides guidance as to ...
Building upon two executive orders targeting the mitigation of greenhouse gas (GHG) emissions in California, the Climate Action Plan for Transportatio...
The goal of this study was to determine the angularity and roundness of particles for use in fine aggregate for Portland Concrete. To develop a new te...
Building upon two executive orders targeting the mitigation of greenhouse gas (GHG) emissions in California, the Climate Action Plan for Transportatio...
Standard portable nuclear moisture-density gauges are very accurate and easy to operate for determining density and moisture content of soils as well ...
This study presents a practical framework for instrumentation, data acquisition, and data aggregation for the new Gerald Desmond Bridge. The recommend...
Bridges serve as critical transportation infrastructure, but traditional maintenance inspection to ensure their safety is time consuming, costly, and ...
In the State of Iowa passengers age 18 and older are not required by law to use seat belts when they ride in the back seat of a motor vehicle. Only 23...
Partial- and conditional-automated driving systems (ADS) can not only assist drivers with their driving tasks but also significantly reduce the drivin...
Beginning in the 1960s, hundreds of homes— sometimes entire communities—were acquired and demolished by the State of California using eminent doma...
Transportation agencies continue to pursue crash reduction. Initiatives include the design of safer facilities, promotion of safe behaviors, and asses...
Advanced takeoff trajectories are proposed for supersonic transport noise reduction by capitalizing on excess engine thrust and improved aerodynamic e...
Connectivity-equipped UAVs offer communication opportunities within CAV ecosystems. This study was motivated by challenges in UAV-based monitoring: (a...
Aviation emissions cause global changes in air quality which have been estimated to result in ~58 000 premature mortalities per year, but this number ...
Cost-effective ways to obtain and distribute traffic data, and thereby, to facilitate operations decisions. This includes a need to make Signal Phase ...
Cooperative perception that integrates sensing capabilities from both infrastructure and vehicles can greatly benefit the transportation system in ter...
Salt brine deicing solution contains chloride ions that can penetrate the passive layer and cause corrosion in rebars. While epoxy coatings are effect...
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