United States. Department of Transportation. Federal Highway Administration
2023-07-19
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The purpose of this memorandum is to provide direction regarding the in-service inspection, inventory, and evaluation of bridges and bridge components fabricated from uncoated weathering steel.
United States. Department of Transportation. Federal Highway Administration (2023). Uncoated Weathering Steel Components: July 19, 2023 FHWA Memorandum. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/72785
United States. Department of Transportation. Federal Highway Administration. Uncoated Weathering Steel Components: July 19, 2023 FHWA Memorandum. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/72785.
United States. Department of Transportation. Federal Highway Administration Uncoated Weathering Steel Components: July 19, 2023 FHWA Memorandum. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/72785.
The purpose of this memorandum is to provide direction regarding the in-service inspection, inventory, and evaluation of bridges and bridge components fabricated from uncoated weathering steel.
Hartmann, J. (2023). Inspection Finding Follow-up Actions for Uncoated Weathering Steel Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92784
Hartmann, Joseph. Inspection Finding Follow-up Actions for Uncoated Weathering Steel Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/92784.
Hartmann, Joseph Inspection Finding Follow-up Actions for Uncoated Weathering Steel Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/92784.
The Buffalo NY ITS4US Deployment Project seeks to improve mobility to, from and within the Buffalo Niagara Medical Campus by deploying new and advanced technologies with a focus on addressing existing mobility and accessibility challenges. Examples of the technologies to be deployed are electric and self-driving shuttles, a trip planning app that i
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Okunieff, P., Serulle, N. U., Gopalakrishna, D., Jones, R., Dixon, K., Hamann-Burney, J., Weibler, D., English, T., & Magold, D. (2023). Phase 2 System Test Plan (STP) — Buffalo, NY ITS4US Deployment Project (Report No. FHWA-JPO-23-995). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/91212
Okunieff, Polly, Nayel Urena Serulle, Deepak Gopalakrishna, Robert Jones, Kelly Dixon, Jamie Hamann-Burney, Darren Weibler, Tony English, and Darlene Magold. Phase 2 System Test Plan (STP) — Buffalo, NY ITS4US Deployment Project. Report no. FHWA-JPO-23-995. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2023. https://rosap.ntl.bts.gov/view/dot/91212.
Okunieff, Polly, et al. Phase 2 System Test Plan (STP) — Buffalo, NY ITS4US Deployment Project. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2023, Report no. FHWA-JPO-23-995, ROSA P. https://rosap.ntl.bts.gov/view/dot/91212.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-07-14
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The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2023). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 41, Data Complete Through 7/14/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/72599
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 41, Data Complete Through 7/14/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/72599.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 41, Data Complete Through 7/14/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/72599.
This Comprehensive Installation Plan (CIP) provides an overview of the proposed installation approach for the University of Washington (UW) ITS4US project, the Transportation Data Equity Initiative (TDEI). The TDEI project is a software-focused project which will primarily deployed on the cloud. The TDEI project will acquire and install mobile phon
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Tufte, K., Caspi, A., & Hallenbeck, M. (2023). Phase 2 Comprehensive Installation Plan (CIP)- University of Washington ITS4US Deployment Project (Report No. FHWA-JPO-23-994). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/72248
Tufte, Kristin, Anat Caspi, and Mark Hallenbeck. Phase 2 Comprehensive Installation Plan (CIP)- University of Washington ITS4US Deployment Project. Report no. FHWA-JPO-23-994. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2023. https://rosap.ntl.bts.gov/view/dot/72248.
Tufte, Kristin, et al. Phase 2 Comprehensive Installation Plan (CIP)- University of Washington ITS4US Deployment Project. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2023, Report no. FHWA-JPO-23-994, ROSA P. https://rosap.ntl.bts.gov/view/dot/72248.
This technical memorandum provides a high-level feasibility assessment for options to develop a web tool that could improve how information is shared to drivers of emergency response convoys through specific regions. The web tool would provide the information needed for drivers to travel to and from declared emergencies. This tool could also assist
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O'Rourke, L., & Purdy, J. (2023). Feasibility of Implementing an Emergency Routing Web Tool (Report No. FHWA-HOP-21-026). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/73523
O'Rourke, Laurence and Jeffrey Purdy. Feasibility of Implementing an Emergency Routing Web Tool. Report no. FHWA-HOP-21-026. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/73523.
O'Rourke, Laurence, and Jeffrey Purdy Feasibility of Implementing an Emergency Routing Web Tool. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-21-026, ROSA P. https://rosap.ntl.bts.gov/view/dot/73523.
United States. Department of Transportation. Federal Highway Administration
2023-07-11
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On February 21, 2023, FHWA issued the BABA Implementation Plan to Enhance Buy America for EV Chargers to enable EV charger acquisition and installation to immediately proceed while also ensuring the application of Buy America to EV chargers by the phasing of requirements over time. The Implementation Plan consists of a Limited Waiver of Buy America
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United States. Department of Transportation. Federal Highway Administration (2023). Q&As for Build America, Buy America (BABA) Implementation Plan to Enhance Buy America for Electric Vehicle (EV) Chargers. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92993
United States. Department of Transportation. Federal Highway Administration. Q&As for Build America, Buy America (BABA) Implementation Plan to Enhance Buy America for Electric Vehicle (EV) Chargers. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/92993.
United States. Department of Transportation. Federal Highway Administration Q&As for Build America, Buy America (BABA) Implementation Plan to Enhance Buy America for Electric Vehicle (EV) Chargers. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/92993.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-07-10
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2023). Monthly Motor Fuel Reported by States: January 2023 (Report No. FHWA-PL-23-015). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/68937
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: January 2023. Report no. FHWA-PL-23-015. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/68937.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: January 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, Report no. FHWA-PL-23-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/68937.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-07-07
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The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2023). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 40, Data Complete Through 7/7/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/68935
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 40, Data Complete Through 7/7/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/68935.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 40, Data Complete Through 7/7/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/68935.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-07-06
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Special Issue - Weekly Motor Fuel Report
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The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2023). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 39, Data Complete Through 6/30/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/73703
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 39, Data Complete Through 6/30/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/73703.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 39, Data Complete Through 6/30/2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/73703.
This memorandum describes Federal Highway Administration (FHWA) policy allowing for the delegation of approval of requests under FHWA's Special Experimental Project No. 14 (SEP-14) experimental authority related to the procurement of certain electric vehicle (EV) charging infrastructure projects, under specified conditions, and on a programmatic ba
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Kalla, H. (2023). Electric Vehicle Charging Infrastructure Procurement Methods under Special Experimental Project No. 14 (SEP-14) [Memorandum]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/93100
Kalla, Hari. Electric Vehicle Charging Infrastructure Procurement Methods under Special Experimental Project No. 14 (SEP-14) [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/93100.
Kalla, Hari Electric Vehicle Charging Infrastructure Procurement Methods under Special Experimental Project No. 14 (SEP-14) [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/93100.
Open-graded aggregates (OGAs) are a common type of structural backfill used to build a variety of transportation earthworks. Therefore, the Federal Highway Administration (FHWA) has made a concerted effort over the past decade to better understand and quantify the strength-deformation characteristics of OGAs through large-scale direct shear (LSDS)
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Nicks, J., Adams, M. T., Culbreth, N., & Gebrenegus, T. (2023). Variability in the Engineering Properties of Open-Graded Aggregate Backfills: A Large-Scale Direct Shear Round-Robin Study (Report No. FHWA-HRT-23-046). United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/71851
Nicks, Jennifer, Michael T. Adams, Nicholas Culbreth, and T. Gebrenegus. Variability in the Engineering Properties of Open-Graded Aggregate Backfills: A Large-Scale Direct Shear Round-Robin Study. Report no. FHWA-HRT-23-046. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2023. https://rosap.ntl.bts.gov/view/dot/71851.
Nicks, Jennifer, et al. Variability in the Engineering Properties of Open-Graded Aggregate Backfills: A Large-Scale Direct Shear Round-Robin Study. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2023, Report no. FHWA-HRT-23-046, ROSA P. https://rosap.ntl.bts.gov/view/dot/71851.
This document details the process that the Volpe National Transportation Systems Center (Volpe) used to develop travel forecasting models for the Federal Highway Administration (FHWA). These models enable FHWA to forecast future changes in the use of passenger and freight vehicles (as measured by the number of vehicle-miles traveled, or VMT) that a
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Pickrell, D., Pace, D., Wishart, J., & Roycroft, C. (2023). FHWA Travel Analysis Framework: Development of VMT Forecasting Models for Use by the Federal Highway Administration. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88156
Pickrell, Don, David Pace, Jacob Wishart, and Claire Roycroft. FHWA Travel Analysis Framework: Development of VMT Forecasting Models for Use by the Federal Highway Administration. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/88156.
Pickrell, Don, et al. FHWA Travel Analysis Framework: Development of VMT Forecasting Models for Use by the Federal Highway Administration. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/88156.
The Federal Highway Administration Road Weather Management Program started development of Integrated Modeling for Road Condition Prediction (IMRCP) in 2015 to provide data and decision support for transportation system management and operations in weather events. IMRCP gathers traffic and weather data and forecasts. It creates new forecast data for
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Garrett, K., Ma, J., Sanchez, R., Wolshon, B., & Neuner, M. (2023). Integrated Modeling for Road Condition Prediction Phase 4: Final Report (Report No. FHWA-HOP-23-003). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/74645
Garrett, Kyle, Jiaqi Ma, Robert Sanchez, Brian Wolshon, and Michelle Neuner. Integrated Modeling for Road Condition Prediction Phase 4: Final Report. Report no. FHWA-HOP-23-003. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/74645.
Garrett, Kyle, et al. Integrated Modeling for Road Condition Prediction Phase 4: Final Report. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HOP-23-003, ROSA P. https://rosap.ntl.bts.gov/view/dot/74645.
Modern nondestructive evaluation (NDE) technologies offer an expanding suite of geophysical techniques to detect and locate buried utilities. This project focused on identifying promising technologies that merit expanded application and mainstream deployment by State transportation departments. The project team applied a staged approach to the effo
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Reiter, D., Napoli, V., Cohen, J. P., Boone, S., Moseley, P., Alhasan, A., & Salerno, J. (2023). Availability, Feasibility, and Reliability of Available Nondestructive Evaluation (NDE) Technologies for Detecting and Locating Buried Utilities: Final Report (Report No. FHWA-HRT-23-037). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/72524
Reiter, Delaine, Vanessa Napoli, Jeffrey P Cohen, Shane Boone, Patrick Moseley, Ahmad Alhasan, and Jeremy Salerno. Availability, Feasibility, and Reliability of Available Nondestructive Evaluation (NDE) Technologies for Detecting and Locating Buried Utilities: Final Report. Report no. FHWA-HRT-23-037. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2023. https://rosap.ntl.bts.gov/view/dot/72524.
Reiter, Delaine, et al. Availability, Feasibility, and Reliability of Available Nondestructive Evaluation (NDE) Technologies for Detecting and Locating Buried Utilities: Final Report. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2023, Report no. FHWA-HRT-23-037, ROSA P. https://rosap.ntl.bts.gov/view/dot/72524.
This summary report shares the findings of an Exploratory Advanced Research Program project that investigated strategies for expanding the use of fly ash (FA) in concrete production. With an unprecedented massive concrete and FA dataset collection of 40,000 data records, the team conducted a series of experiments that used advanced material charact
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Sant, G., Bauchy, M., Neithalath, N., & Kumar, A. (2023). Physically Informed Data-Driven Methods for Greatly Enhancing the Use of Heterogeneous Supplementary Cementitious Materials in Transportation Infrastructure (Report No. FHWA-HRT-23-040). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management. https://rosap.ntl.bts.gov/view/dot/71859
Sant, G., M. Bauchy, Narayanan Neithalath, and A. Kumar. Physically Informed Data-Driven Methods for Greatly Enhancing the Use of Heterogeneous Supplementary Cementitious Materials in Transportation Infrastructure. Report no. FHWA-HRT-23-040. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2023. https://rosap.ntl.bts.gov/view/dot/71859.
Sant, G., et al. Physically Informed Data-Driven Methods for Greatly Enhancing the Use of Heterogeneous Supplementary Cementitious Materials in Transportation Infrastructure. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2023, Report no. FHWA-HRT-23-040, ROSA P. https://rosap.ntl.bts.gov/view/dot/71859.
Traffic management systems (TMSs) and their operating centers, known as traffic management centers (TMCs), support real-time and offline functions, services, actions, activities, and related tasks or decisions (e.g., administrative and operational). In this context, decision-support tools (DSTs) are not generally used as stand-alone solutions; rath
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Miller, K., Horner, J., Adler, J., & Sanchez, R. (2023). Decision Support Methods and Tools for Traffic Management Systems (Report No. FHWA-HRT-23-071). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/72448
Miller, Kevin, John Horner, Jeff Adler, and Robert Sanchez. Decision Support Methods and Tools for Traffic Management Systems. Report no. FHWA-HRT-23-071. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/72448.
Miller, Kevin, et al. Decision Support Methods and Tools for Traffic Management Systems. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HRT-23-071, ROSA P. https://rosap.ntl.bts.gov/view/dot/72448.
The Federal Highway Administration (FHWA) seeks to understand whether user-based alternative revenue mechanisms that utilize a user fee structure can help maintain the long-term solvency of the Highway Trust Fund and whether they can be implemented nationally at some time in the future. This report presents independent evaluation results of the Eas
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Sethi, S., Robbins, J., Van Duren, D., & Agrawal, A. W. (2023). Surface Transportation System Funding Alternatives Phase II Evaluation: Mileage-Based User Fee Pilot by the Eastern Transportation Coalition (Report No. FHWA-HOP-21-049). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77180
Sethi, Sonika, Justin Robbins, Drew Van Duren, and Asha Weinstein Agrawal. Surface Transportation System Funding Alternatives Phase II Evaluation: Mileage-Based User Fee Pilot by the Eastern Transportation Coalition. Report no. FHWA-HOP-21-049. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/77180.
Sethi, Sonika, et al. Surface Transportation System Funding Alternatives Phase II Evaluation: Mileage-Based User Fee Pilot by the Eastern Transportation Coalition. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HOP-21-049, ROSA P. https://rosap.ntl.bts.gov/view/dot/77180.
This project developed a handbook and supporting materials for working with travel time data in the development of travel time reliability performance assessment and reporting. The intent of the handbook is twofold: to provide practitioners with the ability to understand the differences in reliability measures derived from the different data source
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Margiotta, R., Ge, R., & Motamed, M. (2023). Application of Travel Time Data and Statistics to Travel Time Reliability Analyses Handbook and Support Materials (Report No. FHWA-HOP-21-058). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/70419
Margiotta, Richard, Richard Ge, and Moggan Motamed. Application of Travel Time Data and Statistics to Travel Time Reliability Analyses Handbook and Support Materials. Report no. FHWA-HOP-21-058. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/70419.
Margiotta, Richard, et al. Application of Travel Time Data and Statistics to Travel Time Reliability Analyses Handbook and Support Materials. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-21-058, ROSA P. https://rosap.ntl.bts.gov/view/dot/70419.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment
2023-07-01
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Air Quality + Sustainable Transportation Highlights
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This brief newsletter keeps transportation stakeholders up-to-date on various issues related to transportation and climate change.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment (2023). Air Quality + Sustainable Transportation Highlights: July/August 2023 (Report No. FHWA-HEP-23-044). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/77011
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. Air Quality + Sustainable Transportation Highlights: July/August 2023. Report no. FHWA-HEP-23-044. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2023. https://rosap.ntl.bts.gov/view/dot/77011.
United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment Air Quality + Sustainable Transportation Highlights: July/August 2023. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2023, Report no. FHWA-HEP-23-044, ROSA P. https://rosap.ntl.bts.gov/view/dot/77011.
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