United States. Department of Transportation. Federal Highway Administration
2021-01-01
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On behalf of the Rhode Island Department of Transportation (RIDOT) and the Office on Safety we are pleased to present the Highway Safety Improvement Program Annual Report for FY21. In the past year, RIDOT has continued to make strides in the HSIP, including development of several systemic programs; streamlined effort to install countermeasures, and
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United States. Department of Transportation. Federal Highway Administration (2021). Rhode Island: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/83136
United States. Department of Transportation. Federal Highway Administration. Rhode Island: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/83136.
United States. Department of Transportation. Federal Highway Administration Rhode Island: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/83136.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [Idaho 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/73837
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [Idaho 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/73837.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [Idaho 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/73837.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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PDF
The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [Illinois 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/73838
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [Illinois 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/73838.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [Illinois 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/73838.
The City of Portland used $1.2 million of Transportation System Development Charges (TSDC) to rebuild a portion of NE Cully Blvd. with significant safety improvements, including new sidewalks, cycle tracks, and planting strips for pedestrian and bicycle safety. Estimating the impacts of development on infrastructure costs based on person trips, rat
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United States. Federal Highway Administration (2021). Case Study: Cully Boulevard Green Street Project. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/63447
United States. Federal Highway Administration. Case Study: Cully Boulevard Green Street Project. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/63447.
United States. Federal Highway Administration Case Study: Cully Boulevard Green Street Project. United States. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/63447.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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PDF
The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [Alaska 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/73824
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [Alaska 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/73824.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [Alaska 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/73824.
In supporting State Departments of Transportation (DOTs) and metropolitan planning organizations (MPOs) in using Geographic Information Systems, the Federal Highway Administration (FHWA) is publishing this Case Study Report focusing on the use of online, geospatial dashboards by transportation agencies to analyze and display operational metrics and
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Gilman, S., & Cahill, P. (2021). Data Dashboards at State DOTs: Case Studies of Select Transportation Agencies (Report No. DOT-VNTSC-FHWA-21-03;FHWA-HEP-21-009). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56422
Gilman, Scott and Patricia Cahill. Data Dashboards at State DOTs: Case Studies of Select Transportation Agencies. Report no. DOT-VNTSC-FHWA-21-03;FHWA-HEP-21-009. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56422.
Gilman, Scott, and Patricia Cahill Data Dashboards at State DOTs: Case Studies of Select Transportation Agencies. United States. Federal Highway Administration, 2021, Report no. DOT-VNTSC-FHWA-21-03;FHWA-HEP-21-009, ROSA P. https://rosap.ntl.bts.gov/view/dot/56422.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [New Hampshire 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/74052
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [New Hampshire 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/74052.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [New Hampshire 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/74052.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2021-01-01
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Auxiliary turn lanes—either for left turns or right turns—provide physical separation between turning traffic that is slowing or stopped and adjacent through traffic at approaches to intersections. Turn lanes can be designed to provide for deceleration prior to a turn, as well as for storage of vehicles that are stopped and waiting for the opportun
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2021). Proven Safety Countermeasures: Dedicated Left- and Right-Turn Lanes at Intersections (Report No. FHWA-SA-21-041). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/66807
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Proven Safety Countermeasures: Dedicated Left- and Right-Turn Lanes at Intersections. Report no. FHWA-SA-21-041. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021. https://rosap.ntl.bts.gov/view/dot/66807.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Proven Safety Countermeasures: Dedicated Left- and Right-Turn Lanes at Intersections. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021, Report no. FHWA-SA-21-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/66807.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2021-01-01
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A marked crosswalk or pedestrian warning sign can improve safety for pedestrians crossing the road, but at times may not be sufficient for drivers to visibly locate crossing locations and yield to pedestrians. To enhance pedestrian conspicuity and increase driver awareness at uncontrolled, marked crosswalks, transportation agencies can install a pe
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2021). Proven Safety Countermeasures: Rectangular Rapid Flashing Beacons (RRFB) (Report No. FHWA-SA-21-053). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/66692
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Proven Safety Countermeasures: Rectangular Rapid Flashing Beacons (RRFB). Report no. FHWA-SA-21-053. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021. https://rosap.ntl.bts.gov/view/dot/66692.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Proven Safety Countermeasures: Rectangular Rapid Flashing Beacons (RRFB). United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021, Report no. FHWA-SA-21-053, ROSA P. https://rosap.ntl.bts.gov/view/dot/66692.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [Nevada 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/74051
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [Nevada 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/74051.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [Nevada 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/74051.
In hydraulic engineering, the Manning’s roughness coefficient is often used to characterize surface roughness, and its values are either derived from experiments or assumed from empirical tables. In most computational fluid dynamics (CFD) software, the user must specify a roughness height parameter, ks, thus setting the equivalent sand–grain roughn
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United States. Federal Highway Administration (2021). New Models Account for Pavement Roughness in Analysis of Water Film Thickness for Assessing Hydroplaning Risk [fact sheet] (Report No. FHWA-HRT-21-033). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54582
United States. Federal Highway Administration. New Models Account for Pavement Roughness in Analysis of Water Film Thickness for Assessing Hydroplaning Risk [fact sheet]. Report no. FHWA-HRT-21-033. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/54582.
United States. Federal Highway Administration New Models Account for Pavement Roughness in Analysis of Water Film Thickness for Assessing Hydroplaning Risk [fact sheet]. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-033, ROSA P. https://rosap.ntl.bts.gov/view/dot/54582.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
2021-01-01
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Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi
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United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements (2021). Targeted Overlay Pavement Solutions (TOPS): Ultra-Thin Bonded Wearing Course (Report No. FHWA-HIF-21-006). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56196
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. Targeted Overlay Pavement Solutions (TOPS): Ultra-Thin Bonded Wearing Course. Report no. FHWA-HIF-21-006. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56196.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements Targeted Overlay Pavement Solutions (TOPS): Ultra-Thin Bonded Wearing Course. United States. Department of Transportation. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/56196.
United States. Department of Transportation. Federal Highway Administration
2021-01-01
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In 2005, the Safe, Accountable, Flexible, and Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) established the Highway Safety Improvement Program as a core Federal-aid program with the goal of achieving a signification reduction in fatalities and serious injuries on all public roads under Section 148, Title 23 of the United Stat
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United States. Department of Transportation. Federal Highway Administration (2021). South Carolina: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/83138
United States. Department of Transportation. Federal Highway Administration. South Carolina: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/83138.
United States. Department of Transportation. Federal Highway Administration South Carolina: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/83138.
United States. Department of Transportation. Federal Highway Administration
2021-01-01
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The Alabama Department of Transportation (ALDOT) through the Design Bureau, Traffic Engineering Division, and Traffic & Safety Operations Section (TSOS) is responsible for the administration of the Highway Safety Improvement Program (HSIP). The goal for the TSOS is to provide the tools, processes, and guidance necessary to promote highway safety ef
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United States. Department of Transportation. Federal Highway Administration (2021). Alabama: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/82511
United States. Department of Transportation. Federal Highway Administration. Alabama: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/82511.
United States. Department of Transportation. Federal Highway Administration Alabama: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/82511.
The City of Biddeford, Maine, used an innovative form of joint development called a progressive development agreement to design, fund, construct, and operate a downtown parking structure and related pedestrian amenities that had long been recognized as important for the city’s downtown vitality and economic development. As in many downtowns in smal
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United States. Federal Highway Administration (2021). Case Study: Pearl Street Garage and Riverwalk, Biddeford, Maine. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/63436
United States. Federal Highway Administration. Case Study: Pearl Street Garage and Riverwalk, Biddeford, Maine. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/63436.
United States. Federal Highway Administration Case Study: Pearl Street Garage and Riverwalk, Biddeford, Maine. United States. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/63436.
Many State DOTs across the country operate Adopt-A-Highway and Highway Sponsorship programs to leverage public-private partnerships to share maintenance responsibilities and improve highway aesthetics. However, the innovative Highway Sponsorship program designed by the Minnesota Department of Transportation (MnDOT) goes well beyond the traditional
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United States. Federal Highway Administration (2021). Case Study: Minnesota Highway Sponsorship Program. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/63441
United States. Federal Highway Administration. Case Study: Minnesota Highway Sponsorship Program. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/63441.
United States. Federal Highway Administration Case Study: Minnesota Highway Sponsorship Program. United States. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/63441.
United States. Department of Transportation. Federal Highway Administration
2021-01-01
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WYDOT has an established an HSIP program with processes in place for the collection of data, implementation of projects, and annual reporting. Each fiscal year, historically, Wyoming obligates a majority of their HSIP apportionments, these funds are obligated on projects, which are eligible under the requirements of the program. WYDOT effectively m
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United States. Department of Transportation. Federal Highway Administration (2021). Wyoming: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/83147
United States. Department of Transportation. Federal Highway Administration. Wyoming: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/83147.
United States. Department of Transportation. Federal Highway Administration Wyoming: Highway Safety Improvement Program 2021 Annual Report. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/83147.
The Safe System Strategic Plan provides a roadmap for the advancement of the Safe System Approach in the U.S. It describes the Safe System Approach, discusses the process involved in building the plan, outlines how to advance a Safe System mindset, and describes steps necessary to implement Safe System practices within the transportation community
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Abel, S., Lindley, J., & Paniati, J. (2021). Safe System Strategic Plan (Report No. FHWA-SA-21-088). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/67034
Abel, Sarah, Jeff Lindley, and Jeff Paniati. Safe System Strategic Plan. Report no. FHWA-SA-21-088. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/67034.
Abel, Sarah, et al. Safe System Strategic Plan. United States. Department of Transportation. Federal Highway Administration, 2021, Report no. FHWA-SA-21-088, ROSA P. https://rosap.ntl.bts.gov/view/dot/67034.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
2021-01-01
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Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi
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United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements (2021). Targeted Overlay Pavement Solutions (TOPS): Open-Graded Friction Course (Report No. FHWA-HIF-21-005). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56205
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. Targeted Overlay Pavement Solutions (TOPS): Open-Graded Friction Course. Report no. FHWA-HIF-21-005. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56205.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements Targeted Overlay Pavement Solutions (TOPS): Open-Graded Friction Course. United States. Department of Transportation. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/56205.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-01-01
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Highway Statistics Series: State Statistical Abstracts
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The data in these State by State Abstracts contain State-submitted data to FHWA on: motor fuel use, driver licensing, vehicle registration, State and local financing, land area, population, and vehicle miles of travel.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Highway Statistics Series: State Statistical Abstracts [California 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/73827
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Highway Statistics Series: State Statistical Abstracts [California 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/73827.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Highway Statistics Series: State Statistical Abstracts [California 2021]. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/73827.
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