United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-09-01
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At-grade rail-highway crossings that are blocked by slow-moving or stopped trains increase risks to public safety at both rural and urban locations. For example, emergency responders may be prevented from reaching individuals facing life-threatening health crises, pedestrians or children may attempt to cut through idling trains to complete their cr
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Using Traveler Information to Mitigate Blocked Rail-Highway Crossings (Report No. FHWA-SA-18-072). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49611
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Using Traveler Information to Mitigate Blocked Rail-Highway Crossings. Report no. FHWA-SA-18-072. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49611.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Using Traveler Information to Mitigate Blocked Rail-Highway Crossings. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-072, ROSA P. https://rosap.ntl.bts.gov/view/dot/49611.
This design example, plate girder shear and flexural strengthening, involves the addition of steel strengthening material to an existing steel plate girder. The existing bridge was designed for HS-20 live loading. The girder is to be strengthened due to section loss from corrosion. The design criteria is to strengthen the girder to obtain a HS-20 l
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Ahlskog, C. (2018). Report on Techniques for Bridge Strengthening. Design Example – Plate Girder Shear and Flexural Strengthening (Report No. FHWA-HIF-18-043). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/42822
Ahlskog, C.. Report on Techniques for Bridge Strengthening. Design Example – Plate Girder Shear and Flexural Strengthening. Report no. FHWA-HIF-18-043. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018. https://rosap.ntl.bts.gov/view/dot/42822.
Ahlskog, C. Report on Techniques for Bridge Strengthening. Design Example – Plate Girder Shear and Flexural Strengthening. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018, Report no. FHWA-HIF-18-043, ROSA P. https://rosap.ntl.bts.gov/view/dot/42822.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-09-01
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In California, rail-highway safety is a partnership between the California Public Utilities Commission (CPUC), and Caltrans, the State transportation agency that receives Federal-aid funds, including Section 130 Railway-Highway Crossings Program funding. CPUC prioritizes and selects safety improvement projects under the Section 130 Program by using
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Diagnostic Reviews for Rail-Highway Crossings: Effective Partnering in California (Report No. FHWA-SA-18-071). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49610
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Diagnostic Reviews for Rail-Highway Crossings: Effective Partnering in California. Report no. FHWA-SA-18-071. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49610.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Diagnostic Reviews for Rail-Highway Crossings: Effective Partnering in California. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-071, ROSA P. https://rosap.ntl.bts.gov/view/dot/49610.
GDOT partnered with the Utah Department of Transportation to leverage their experience deploying ATSPM. GDOT's ATSPM deployment follows the same basic architecture used in Utah and features a public-facing website (https://traffic.dot.ga.gov/ATSPM/) to make data and analysis readily available. Data collected by the ATSPM system allows GDOT to bette
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United States. Federal Highway Administration (2018). Automated Traffic Signal Performance Measures Case Studies: Georgia Department of Transportation (Report No. FHWA-HOP-18-050). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/42306
United States. Federal Highway Administration. Automated Traffic Signal Performance Measures Case Studies: Georgia Department of Transportation. Report no. FHWA-HOP-18-050. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/42306.
United States. Federal Highway Administration Automated Traffic Signal Performance Measures Case Studies: Georgia Department of Transportation. United States. Federal Highway Administration, 2018, Report no. FHWA-HOP-18-050, ROSA P. https://rosap.ntl.bts.gov/view/dot/42306.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-09-01
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Intersection Control Evaluation (ICE) is a data-driven, performance-based framework and approach used to objectively screen alternatives and identify an optimal geometric and control solution for an intersection. A growing number of transportation agencies are developing and adopting ICE policies. Although there are differences among these ICE poli
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Primer on Intersection Control Evaluation (ICE) (Report No. FHWA-SA-18-076). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49615
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Primer on Intersection Control Evaluation (ICE). Report no. FHWA-SA-18-076. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49615.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Primer on Intersection Control Evaluation (ICE). United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-076, ROSA P. https://rosap.ntl.bts.gov/view/dot/49615.
The guidelines proposed by the NCHRP Report 350 pertaining to the safety of roadway hardware devices necessitated the evaluation of those devices. This study deals with the strength evaluation of precast concrete bridge railing that is a part of the roadway hardware devices. Though many articles, reports, and publications were found regarding the t
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Alaywan, W. R. (2018). Performance and Analysis of Concrete Bridge Railing using Conventional and Composite Reinforcement Materials (Report No. FHWA/LA.16/547). Louisiana Transportation Research Center. https://rosap.ntl.bts.gov/view/dot/55834
Alaywan, Walid R.. Performance and Analysis of Concrete Bridge Railing using Conventional and Composite Reinforcement Materials. Report no. FHWA/LA.16/547. Louisiana Transportation Research Center, 2018. https://rosap.ntl.bts.gov/view/dot/55834.
Alaywan, Walid R. Performance and Analysis of Concrete Bridge Railing using Conventional and Composite Reinforcement Materials. Louisiana Transportation Research Center, 2018, Report no. FHWA/LA.16/547, ROSA P. https://rosap.ntl.bts.gov/view/dot/55834.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-09-01
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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 (2018). Monthly Motor Fuel Reported by States: September 2018 (Report No. FHWA-PL-18-038). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50557
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: September 2018. Report no. FHWA-PL-18-038. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018. https://rosap.ntl.bts.gov/view/dot/50557.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: September 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018, Report no. FHWA-PL-18-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/50557.
United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services
2018-09-01
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The Federal Highway Administration's (FHWA) Office of Real Estate Services Newsletter is a resource which is intended to provide right-of-way professionals with the latest best practices, research results, training information, and information on policy and regulatory updates to ensure that Federal, State and local right-of-way program delivery is
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United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services (2018). Realty Newsletter - Fall 2018. United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services. https://rosap.ntl.bts.gov/view/dot/49005
United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services. Realty Newsletter - Fall 2018. United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services, 2018. https://rosap.ntl.bts.gov/view/dot/49005.
United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services Realty Newsletter - Fall 2018. United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/49005.
This design example, steel truss member strengthening, involves the addition of steel cover plates to steel truss members, one-tension member and one-compression member. The bridge is to be strengthened to meet HL-93 design loading (Existing bridge designed for HS-15 live load). This example is based on AASHTO LRFD Bridge Design Specifications, 7th
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Ahlskog, C. (2018). Report on Techniques for Bridge Strengthening. Design Example – Steel Truss Member Strengthening (Report No. FHWA-HIF-18-042). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/42820
Ahlskog, C.. Report on Techniques for Bridge Strengthening. Design Example – Steel Truss Member Strengthening. Report no. FHWA-HIF-18-042. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018. https://rosap.ntl.bts.gov/view/dot/42820.
Ahlskog, C. Report on Techniques for Bridge Strengthening. Design Example – Steel Truss Member Strengthening. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2018, Report no. FHWA-HIF-18-042, ROSA P. https://rosap.ntl.bts.gov/view/dot/42820.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-09-01
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What are the low-cost treatments included in this proven safety countermeasure? They include: Pavement markings; Signing; Visibility and sight distance improvements. These low-cost strategies increase driver awareness and recognition of intersections and potential conflicts. Below are examples of the basic improvement package.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Proven Safety Countermeasures - Systemic Application of Multiple Low-Cost Countermeasures at Stop-Controlled Intersections (Report No. FHWA-SA-18-047). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49590
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Proven Safety Countermeasures - Systemic Application of Multiple Low-Cost Countermeasures at Stop-Controlled Intersections. Report no. FHWA-SA-18-047. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49590.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Proven Safety Countermeasures - Systemic Application of Multiple Low-Cost Countermeasures at Stop-Controlled Intersections. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-047, ROSA P. https://rosap.ntl.bts.gov/view/dot/49590.
Recognizing tunnels as an increasingly popular solution for significant highway system improvements, this report examines the use of fixed firefighting systems (FFFSs) in tunnels to produce safety improvements, increase long-term resilience, and add functional benefits for tunnels and highway systems. It provides detailed information from site visi
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Ernst, S. L., Bergeson, W., Harelson, S., Williams, D., & Bilson, M. (2018). Tunnel Fire Protection Using Fixed Firefighting Systems: Advanced Practices from Australia and New Zealand (Report No. FHWA-PL-18-030). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43554
Ernst, Steve L., William Bergeson, Steve Harelson, Dan Williams, and Matt Bilson. Tunnel Fire Protection Using Fixed Firefighting Systems: Advanced Practices from Australia and New Zealand. Report no. FHWA-PL-18-030. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/43554.
Ernst, Steve L., et al. Tunnel Fire Protection Using Fixed Firefighting Systems: Advanced Practices from Australia and New Zealand. United States. Federal Highway Administration, 2018, Report no. FHWA-PL-18-030, ROSA P. https://rosap.ntl.bts.gov/view/dot/43554.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
2018-09-01
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Overview of current practices and guidance on the design and use of asphalt pavement mixtures that incorporate high levels of reclaimed asphalt binder in the form of reclaimed asphalt pavement (RAP) and/or reclaimed asphalt shingles (RAS).
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements (2018). State of the Knowledge for Use of Asphalt Mixtures with Reclaimed Binder Content : [techbrief] (Report No. FHWA-HIF-18-059). United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. https://rosap.ntl.bts.gov/view/dot/38321
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. State of the Knowledge for Use of Asphalt Mixtures with Reclaimed Binder Content : [techbrief]. Report no. FHWA-HIF-18-059. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2018. https://rosap.ntl.bts.gov/view/dot/38321.
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements State of the Knowledge for Use of Asphalt Mixtures with Reclaimed Binder Content : [techbrief]. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2018, Report no. FHWA-HIF-18-059, ROSA P. https://rosap.ntl.bts.gov/view/dot/38321.
The Federal Highway Administration (FHWA) is investigating how emerging connected-vehicle (CV) and automated-vehicle (AV) technologies can address roadway-departure (RwD) crashes. The objective of this project was to develop a framework for FHWA regarding how the infrastructure components need to change to accommodate CV and AV technologies to help
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Pape, D., & Habtemichael, F. (2018). Infrastructure Initiatives to Apply Connected- and Automated-Vehicle Technology to Roadway Departures (Report No. FHWA-HRT-18-035). United States. Federal Highway Administration. Office of Safety Research and Development. https://rosap.ntl.bts.gov/view/dot/36925
Pape, Doug and Filmon Habtemichael. Infrastructure Initiatives to Apply Connected- and Automated-Vehicle Technology to Roadway Departures. Report no. FHWA-HRT-18-035. United States. Federal Highway Administration. Office of Safety Research and Development, 2018. https://rosap.ntl.bts.gov/view/dot/36925.
Pape, Doug, and Filmon Habtemichael Infrastructure Initiatives to Apply Connected- and Automated-Vehicle Technology to Roadway Departures. United States. Federal Highway Administration. Office of Safety Research and Development, 2018, Report no. FHWA-HRT-18-035, ROSA P. https://rosap.ntl.bts.gov/view/dot/36925.
United States. Federal Highway Administration. Office of Natural Environment
2018-09-01
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This brief newsletter each month keeps transportation stakeholders up-to-date on various issues related to transportation and climate change.
United States. Federal Highway Administration. Office of Natural Environment (2018). Air Quality and Sustainable Transportation Highlights: September/October 2018 (Report No. FHWA-HEP-19-004). United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment. https://rosap.ntl.bts.gov/view/dot/49103
United States. Federal Highway Administration. Office of Natural Environment. Air Quality and Sustainable Transportation Highlights: September/October 2018. Report no. FHWA-HEP-19-004. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2018. https://rosap.ntl.bts.gov/view/dot/49103.
United States. Federal Highway Administration. Office of Natural Environment Air Quality and Sustainable Transportation Highlights: September/October 2018. United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment, 2018, Report no. FHWA-HEP-19-004, ROSA P. https://rosap.ntl.bts.gov/view/dot/49103.
This issue brief documents estimates of the crash reduction that might be expected if a specific countermeasure or group of countermeasures is implemented with respect to pedestrian crashes. The crash reduction estimates are presented as Crash Modification Factors (CMFs). Some of the crash reduction estimates are also presented in terms of left tur
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United States. Federal Highway Administration (2018). Toolbox of Pedestrian Countermeasures and Their Potential Effectiveness (Report No. FHWA-SA-18-041). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43670
United States. Federal Highway Administration. Toolbox of Pedestrian Countermeasures and Their Potential Effectiveness. Report no. FHWA-SA-18-041. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/43670.
United States. Federal Highway Administration Toolbox of Pedestrian Countermeasures and Their Potential Effectiveness. United States. Federal Highway Administration, 2018, Report no. FHWA-SA-18-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/43670.
The purpose of pavement-preservation treatments is to correct surface defects, improve ride quality, improve safety characteristics, and extend pavement life without increasing the structural capacity of the pavement. The application of a thin overlay is expected to extend the life of a pavement by 8–10 yr, although this range may vary depending on
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Elwardany, M. D., Lee, K., Lee, J. H., Brown, C., Castorena, C., & Kim, Y. R. (2018). Proposed Performance-Prediction Equations and Threshold Triggers for Thin-Overlay Treatments Using The Long-Term Pavement Performance Database (Report No. FHWA-HRT-17-111;HRDI-30/010-18(WEB)E). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/37579
Elwardany, Michael D., Kangjin Lee, Jung Hwa Lee, Coleman Brown, Cassie Castorena, and Y. Richard Kim. Proposed Performance-Prediction Equations and Threshold Triggers for Thin-Overlay Treatments Using The Long-Term Pavement Performance Database. Report no. FHWA-HRT-17-111;HRDI-30/010-18(WEB)E. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2018. https://rosap.ntl.bts.gov/view/dot/37579.
Elwardany, Michael D., et al. Proposed Performance-Prediction Equations and Threshold Triggers for Thin-Overlay Treatments Using The Long-Term Pavement Performance Database. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2018, Report no. FHWA-HRT-17-111;HRDI-30/010-18(WEB)E, ROSA P. https://rosap.ntl.bts.gov/view/dot/37579.
This report highlights key recommendations and noteworthy practices identified at a Transportation Planning Capacity Building (TPCB) peer exchange co-hosted by the Rhode Island Department of Administration and the Rhode Island Department of Transportation on September 13-14, 2018, in Providence, Rhode Island. This event was sponsored by the TPCB Pe
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Pickett, L., & McBrien, R. S. (2018). Exploring an e-STIP Transition and Improving the Transportation Alternatives Set-Aside Program in Rhode Island: A TPCB Peer Exchange Event (Report No. DOT-VNTSC-FHWA-19-14;FHWA-HEP-19-023). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/50545
Pickett, Leah and Rachel Strauss McBrien. Exploring an e-STIP Transition and Improving the Transportation Alternatives Set-Aside Program in Rhode Island: A TPCB Peer Exchange Event. Report no. DOT-VNTSC-FHWA-19-14;FHWA-HEP-19-023. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/50545.
Pickett, Leah, and Rachel Strauss McBrien Exploring an e-STIP Transition and Improving the Transportation Alternatives Set-Aside Program in Rhode Island: A TPCB Peer Exchange Event. United States. Federal Highway Administration, 2018, Report no. DOT-VNTSC-FHWA-19-14;FHWA-HEP-19-023, ROSA P. https://rosap.ntl.bts.gov/view/dot/50545.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2018-09-01
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Public Roads
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Public Roads is the quarterly magazine of the Federal Highway Administration (FHWA). Reading Public Roads is the easiest way to keep up-to-date on developments in federal highway policies, programs, and research and technology. More specifically, the magazine "covers" advances and innovations in highway/traffic research and technology, critical nat
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2018). Public Roads: Autumn 2018 (Report No. FHWA-HRT-19-001). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/49184
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Public Roads: Autumn 2018. Report no. FHWA-HRT-19-001. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018. https://rosap.ntl.bts.gov/view/dot/49184.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Public Roads: Autumn 2018. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018, Report no. FHWA-HRT-19-001, ROSA P. https://rosap.ntl.bts.gov/view/dot/49184.
United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery
2018-09-01
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Memoranda & Guidance: Guidance
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The Federal Highway Administration (FHWA) Center for Innovative Finance Support (CIFS), part of the Office of Innovative Program Delivery (OIPD), provides guidance and technical assistance to the States and FHWA Division Offices for the administration of the Grant Anticipation Revenue Vehicle (GARVEE) Program. This guidance document, updated in 201
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United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery (2018). GARVEE Guidance: Implementing 23 U.S.C 122; Payments to States for Bond and Other Debt Instrument Financing. United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery. https://rosap.ntl.bts.gov/view/dot/78214
United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery. GARVEE Guidance: Implementing 23 U.S.C 122; Payments to States for Bond and Other Debt Instrument Financing. United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery, 2018. https://rosap.ntl.bts.gov/view/dot/78214.
United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery GARVEE Guidance: Implementing 23 U.S.C 122; Payments to States for Bond and Other Debt Instrument Financing. United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/78214.
2018-09-01
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National Household Travel Survey (NHTS)
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Working from home is on the rise largely due to advances in information and communication technology (e.g., faster Internet speed, online meeting software, and remotely accessed and/or cloud-based servers). According to the American Community Survey, the proportion of people who reported “working from home last week” increased from 4.3% in 2009 to
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United States. Federal Highway Administration (2018). FHWA NHTS Brief: Trends In Home-Based Working: 2017 National Household Travel Survey. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58743
United States. Federal Highway Administration. FHWA NHTS Brief: Trends In Home-Based Working: 2017 National Household Travel Survey. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/58743.
United States. Federal Highway Administration FHWA NHTS Brief: Trends In Home-Based Working: 2017 National Household Travel Survey. United States. Federal Highway Administration, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/58743.
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