Geospatial technologies such as photogrammetry and global navigation satellite systems (GNSS) have been an integral part of highway mapping for decades. However, geospatial technologies continue to evolve, and new technologies are becoming more accessible for a wide range of highway construction applications. Tools such as unmanned aircraft systems
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Mallela, J., Mitchell, A., Gustafson, J., Olsen, M. J., Parrish, C., Gillins, D. T., Kumpula, M., & Roe, G. (2018). Effective Use of Geospatial Tools in Highway Construction (Report No. FHWA-HIF-19-089). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/50531
Mallela, Jagannath, Alexa Mitchell, Jonathan Gustafson, Michael J. Olsen, Christopher Parrish, Daniel T. Gillins, Matthew Kumpula, and Gene Roe. Effective Use of Geospatial Tools in Highway Construction. Report no. FHWA-HIF-19-089. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018. https://rosap.ntl.bts.gov/view/dot/50531.
Mallela, Jagannath, et al. Effective Use of Geospatial Tools in Highway Construction. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2018, Report no. FHWA-HIF-19-089, ROSA P. https://rosap.ntl.bts.gov/view/dot/50531.
Ordinarily, the acquisition of properties or real property interests for federally-assisted projects does not begin before the completion of the environmental review process that the National Environmental Policy Act (NEPA) requires. In some situations, however, an agency may acquire property in advance of NEPA or other environmental determinations
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Oster, A., Poe, C., Bradley, B., & Jones, R. (2018). Early Acquisition: Statewide Land Use, Environment and Transportation Planning Requirements (Report No. FHWA-HEP-18-089). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43552
Oster, Alexandra, Carson Poe, Bruce Bradley, and Rosemary Jones. Early Acquisition: Statewide Land Use, Environment and Transportation Planning Requirements. Report no. FHWA-HEP-18-089. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/43552.
Oster, Alexandra, et al. Early Acquisition: Statewide Land Use, Environment and Transportation Planning Requirements. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-18-089, ROSA P. https://rosap.ntl.bts.gov/view/dot/43552.
To justify investments towards improved traffic operations, engineers and policymakers need accurate and scientific methods of congestion measurement. However, conventional methods are limited and/or outdated. Peak hour analyses fail to account for changing conditions throughout the year. Reliability modeling in the Highway Capacity Manual (HCM), w
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Hale, D. K. (2018). Congestion and Bottleneck Identification (CBI) Software Tool User's Guide (Report No. FHWA-HRT-18-071). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/87509
Hale, David K.. Congestion and Bottleneck Identification (CBI) Software Tool User's Guide. Report no. FHWA-HRT-18-071. United States. Department of Transportation. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/87509.
Hale, David K. Congestion and Bottleneck Identification (CBI) Software Tool User's Guide. United States. Department of Transportation. Federal Highway Administration, 2018, Report no. FHWA-HRT-18-071, ROSA P. https://rosap.ntl.bts.gov/view/dot/87509.
The Targeted Work Zone Engagement Framework (“Framework”) was developed in 2016 to serve as a resource for FHWA personnel to easily and efficiently provide targeted assistance to State transportation agencies. It is designed to support work zone program personnel in enhancing the effectiveness of their work zone safety and mobility policies and pro
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Atkinson, J. E., Bedsole, L., Ercisli, S., Ullman, J., Iragavarapu, V., Schroeder, J. L., & Klein, R. (2018). Targeted Work Zone Engagement Framework Guidance Document (Report No. FHWA-HOP-18-081). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43551
Atkinson, Jennifer E., Lisa Bedsole, Safak Ercisli, Jerry Ullman, Vichika Iragavarapu, Jeremy L. Schroeder, and Rachel Klein. Targeted Work Zone Engagement Framework Guidance Document. Report no. FHWA-HOP-18-081. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/43551.
Atkinson, Jennifer E., et al. Targeted Work Zone Engagement Framework Guidance Document. United States. Federal Highway Administration, 2018, Report no. FHWA-HOP-18-081, ROSA P. https://rosap.ntl.bts.gov/view/dot/43551.
Designing rehabilitation strategies for flexible pavements exhibiting various types and levels of distress is a challenge. An important factor related to the design of a rehabilitation strategy is the use of a reliable procedure to evaluate the in-place condition of pavements. A project-level pavement evaluation program should consist of multiple a
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Ayyala, D., Lee, H., & Quintus, H. L. V. (2018). Characterizing Existing Asphalt Concrete Layer Damage for Mechanistic Pavement Rehabilitation Design (Report No. FHWA-HRT-17-059;HRDI-30/08-18(WEB)E). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/37555
Ayyala, Dinesh, Hyung Lee, and Harold L. Von Quintus. Characterizing Existing Asphalt Concrete Layer Damage for Mechanistic Pavement Rehabilitation Design. Report no. FHWA-HRT-17-059;HRDI-30/08-18(WEB)E. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/37555.
Ayyala, Dinesh, et al. Characterizing Existing Asphalt Concrete Layer Damage for Mechanistic Pavement Rehabilitation Design. United States. Federal Highway Administration, 2018, Report no. FHWA-HRT-17-059;HRDI-30/08-18(WEB)E, ROSA P. https://rosap.ntl.bts.gov/view/dot/37555.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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This plan, which has evolved and matured with the advancement of safety planning techniques, is a multi-agency, comprehensive, data-driven approach to reduce fatalities and serious injuries on all public roads. The plan highlights VDOT’s commitment to improving the safety of pedestrian crossings at uncontrolled locations.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Virginia 2017 – 2021 Strategic Highway Safety Plan: Virginia Places a Priority on Narrowing Crossings to Reduce Fatalities (Report No. FHWA-SA-18-056). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49597
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Virginia 2017 – 2021 Strategic Highway Safety Plan: Virginia Places a Priority on Narrowing Crossings to Reduce Fatalities. Report no. FHWA-SA-18-056. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49597.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Virginia 2017 – 2021 Strategic Highway Safety Plan: Virginia Places a Priority on Narrowing Crossings to Reduce Fatalities. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-056, ROSA P. https://rosap.ntl.bts.gov/view/dot/49597.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-08-01
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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 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2018). Traffic Volume Trends: August 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50056
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: August 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018. https://rosap.ntl.bts.gov/view/dot/50056.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: August 2018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/50056.
The GIS in Transportation team publishes quarterly newsletters to share information about significant geospatial transportation news, events, and applications. Each issue highlights a specific transportation agency's application of GIS or geospatial data and technology.
Supporting Files
Federal Highway Administration (U.S.) (2018). GIS in Transportation: August 2018. Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/53873
Federal Highway Administration (U.S.). GIS in Transportation: August 2018. Federal Highway Administration (U.S.), 2018. https://rosap.ntl.bts.gov/view/dot/53873.
Federal Highway Administration (U.S.) GIS in Transportation: August 2018. Federal Highway Administration (U.S.), 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/53873.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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This manual facilitates the development of a highway system consistent with the needs of the multimodal traveling public and provides detailed guidance on target speeds and the installation of marked crosswalks at uncontrolled intersections and mid-block locations.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Washington State Design Manual: Providing Engineers with the Tools to Design Safe Pedestrian Crossings (Report No. FHWA-SA-18-053). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49594
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Washington State Design Manual: Providing Engineers with the Tools to Design Safe Pedestrian Crossings. Report no. FHWA-SA-18-053. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49594.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Washington State Design Manual: Providing Engineers with the Tools to Design Safe Pedestrian Crossings. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-053, ROSA P. https://rosap.ntl.bts.gov/view/dot/49594.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-08-01
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The Federal Highway Administration (FHWA), Office of Highway Policy Information, has developed this "Traffic Data Computation Method Pocket Guide." Traffic data items are performance indicators that are computed from raw and processed traffic information. They are used for operational assessment of transportation facilities, in designing and planni
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2018). Traffic Data Computation Method: Pocket Guide (Report No. FHWA-PL-18-027). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/57335
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Data Computation Method: Pocket Guide. Report no. FHWA-PL-18-027. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018. https://rosap.ntl.bts.gov/view/dot/57335.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Data Computation Method: Pocket Guide. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2018, Report no. FHWA-PL-18-027, ROSA P. https://rosap.ntl.bts.gov/view/dot/57335.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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The purpose of this plan is to establish a vision for bicycling and walking as modes of transportation in Alabama. The graphic below summarizes key strategies, as found in the plan, for improving safety at pedestrian crossings.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Alabama Statewide Bicycle and Pedestrian Plan: A Vision That Supports Safe Pedestrian Crossings in Alabama (Report No. FHWA-SA-18-052). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49593
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Alabama Statewide Bicycle and Pedestrian Plan: A Vision That Supports Safe Pedestrian Crossings in Alabama. Report no. FHWA-SA-18-052. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49593.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Alabama Statewide Bicycle and Pedestrian Plan: A Vision That Supports Safe Pedestrian Crossings in Alabama. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-052, ROSA P. https://rosap.ntl.bts.gov/view/dot/49593.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2018-08-01
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Crushed, manufactured open-graded aggregates (OGAs) are often used as structural backfill materials for retaining walls, bridge foundations, and pavement bases because of their engineering properties and general easiness to work with in construction. These attributes can lead to better long-term performance of geotechnical and pavement structures.
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2018). Impact of Initial Density on Strength-Deformation Characteristics of Open-Graded Aggregates [techbrief] (Report No. FHWA-HRT-18-048;HRDI-40/08-18(WEB)E). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/37558
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Impact of Initial Density on Strength-Deformation Characteristics of Open-Graded Aggregates [techbrief]. Report no. FHWA-HRT-18-048;HRDI-40/08-18(WEB)E. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/37558.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Impact of Initial Density on Strength-Deformation Characteristics of Open-Graded Aggregates [techbrief]. United States. Federal Highway Administration, 2018, Report no. FHWA-HRT-18-048;HRDI-40/08-18(WEB)E, ROSA P. https://rosap.ntl.bts.gov/view/dot/37558.
The importance of transportation infrastructure and functionality in the site selection process varies across different types of firms and facilities. It is important to understand these differences to determine when and how a transportation agency can provide information and support to a community process for economic development and firm attracti
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United States. Federal Highway Administration (2018). Fact Sheet: Industry-specific Site Selection Factors (Report No. FHWA-HEP-19-005). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54146
United States. Federal Highway Administration. Fact Sheet: Industry-specific Site Selection Factors. Report no. FHWA-HEP-19-005. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54146.
United States. Federal Highway Administration Fact Sheet: Industry-specific Site Selection Factors. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-19-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/54146.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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The 2017 Complete Streets Design Guide is a concise but thorough reference guide for designing streets to meet multimodal and community needs. The guide includes the Complete Streets toolbox that draws on best practices from a variety of national design standards and guidelines, emphasizes the role of context and flexibility during the design proce
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United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). New Jersey Complete Streets Design Guide: Using Complete Streets Guides to Support STEP Countermeasures (Report No. FHWA-SA-18-058). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49599
United States. Department of Transportation. Federal Highway Administration. Office of Safety. New Jersey Complete Streets Design Guide: Using Complete Streets Guides to Support STEP Countermeasures. Report no. FHWA-SA-18-058. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49599.
United States. Department of Transportation. Federal Highway Administration. Office of Safety New Jersey Complete Streets Design Guide: Using Complete Streets Guides to Support STEP Countermeasures. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-058, ROSA P. https://rosap.ntl.bts.gov/view/dot/49599.
United States. Federal Highway Administration (2018). FHWA National Dialogue on Highway Automation Digital Infrastructure and Data. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54048
United States. Federal Highway Administration. FHWA National Dialogue on Highway Automation Digital Infrastructure and Data. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54048.
United States. Federal Highway Administration FHWA National Dialogue on Highway Automation Digital Infrastructure and Data. United States. Federal Highway Administration, 2018, ROSA P. https://rosap.ntl.bts.gov/view/dot/54048.
Through policy choices, planning decisions, and communications strategies, transportation agencies can expand their role in facilitating new business attraction/expansion and better align site selection decisions with community goals and priorities. The following describes a selection of these options and opportunities.
United States. Federal Highway Administration (2018). Fact Sheet: Transportation Agency Opportunities to Enhance Site Selection Processes (Report No. FHWA-HEP-19-005). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54143
United States. Federal Highway Administration. Fact Sheet: Transportation Agency Opportunities to Enhance Site Selection Processes. Report no. FHWA-HEP-19-005. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54143.
United States. Federal Highway Administration Fact Sheet: Transportation Agency Opportunities to Enhance Site Selection Processes. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-19-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/54143.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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This policy creates a comprehensive and connected transportation network for Louisiana and aims to balance access, mobility, and safety needs of motorists, transit users, bicyclists, pedestrians of all ages and abilities, and users of wheelchairs and mobility aids. DOTD will implement effective pedestrian countermeasures to improve safety.
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Louisiana Complete Streets Policy Update: Elements of a Complete Streets Policy that Support Pedestrian Crossings (Report No. FHWA-SA-18-057). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49598
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Louisiana Complete Streets Policy Update: Elements of a Complete Streets Policy that Support Pedestrian Crossings. Report no. FHWA-SA-18-057. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49598.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Louisiana Complete Streets Policy Update: Elements of a Complete Streets Policy that Support Pedestrian Crossings. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-057, ROSA P. https://rosap.ntl.bts.gov/view/dot/49598.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2018-08-01
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ADOT’s 2017 Pedestrian Safety Action Plan (PSAP) is a strategic action plan with clear objectives focusing resources on reducing the greatest number of possible severe injury and fatal pedestrian-motor vehicle crashes on the Arizona State Highway System (SHS).
United States. Department of Transportation. Federal Highway Administration. Office of Safety (2018). Arizona Pedestrian Safety Action Plan: Identifying High-Crash Locations and Effective Pedestrian Countermeasures (Report No. FHWA-SA-18-059). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/49600
United States. Department of Transportation. Federal Highway Administration. Office of Safety. Arizona Pedestrian Safety Action Plan: Identifying High-Crash Locations and Effective Pedestrian Countermeasures. Report no. FHWA-SA-18-059. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018. https://rosap.ntl.bts.gov/view/dot/49600.
United States. Department of Transportation. Federal Highway Administration. Office of Safety Arizona Pedestrian Safety Action Plan: Identifying High-Crash Locations and Effective Pedestrian Countermeasures. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2018, Report no. FHWA-SA-18-059, ROSA P. https://rosap.ntl.bts.gov/view/dot/49600.
This report summarizes the activities performed, products developed, and accomplishments under this task order as part of the above-referenced contract. The goal of this task order is to conduct technology transfer, delivery, and implementation of best practices for jointed concrete pavements. Activities such as those conducted under this task orde
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Rao, S., & Tayabji, S. D. (2018). Technology Transfer, Delivery, and Implementation of Best Practices for Jointed Concrete Pavements (Report No. FHWA-HIF-18-051). United States. Federal Highway Administration. Office of Pavement Technology. https://rosap.ntl.bts.gov/view/dot/38317
Rao, Shreenath and Shiraz D. Tayabji. Technology Transfer, Delivery, and Implementation of Best Practices for Jointed Concrete Pavements. Report no. FHWA-HIF-18-051. United States. Federal Highway Administration. Office of Pavement Technology, 2018. https://rosap.ntl.bts.gov/view/dot/38317.
Rao, Shreenath, and Shiraz D. Tayabji Technology Transfer, Delivery, and Implementation of Best Practices for Jointed Concrete Pavements. United States. Federal Highway Administration. Office of Pavement Technology, 2018, Report no. FHWA-HIF-18-051, ROSA P. https://rosap.ntl.bts.gov/view/dot/38317.
Understanding the steps in the site selection process can facilitate a transportation agency’s ability to constructively inform decision-makers in a way that helps align actions with goals and priorities.
United States. Federal Highway Administration (2018). Fact Sheet: The Private Firm Site Selection Process (Report No. FHWA-HEP-19-005). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/54144
United States. Federal Highway Administration. Fact Sheet: The Private Firm Site Selection Process. Report no. FHWA-HEP-19-005. United States. Federal Highway Administration, 2018. https://rosap.ntl.bts.gov/view/dot/54144.
United States. Federal Highway Administration Fact Sheet: The Private Firm Site Selection Process. United States. Federal Highway Administration, 2018, Report no. FHWA-HEP-19-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/54144.
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