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.
Federal Highway Administration (U.S.) (2019). GIS in Transportation: November 2019. Federal Highway Administration (U.S.). https://rosap.ntl.bts.gov/view/dot/53868
Federal Highway Administration (U.S.). GIS in Transportation: November 2019. Federal Highway Administration (U.S.), 2019. https://rosap.ntl.bts.gov/view/dot/53868.
Federal Highway Administration (U.S.) GIS in Transportation: November 2019. Federal Highway Administration (U.S.), 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/53868.
United States. Department of Transportation. Federal Highway Administration. Western Federal Lands Highway Division
2019-11-01
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Federal Lands Highway
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The Cascade Lakes Highway is located in Central Oregon, southwest of Bend (Figure 1: Map of Study Area). The highway is within the Deschutes National Forest and provides access to many recreation sites in the Forest. The highway’s underlying ownership is USFS, but is maintained by Deschutes County. Deschutes County has become a major tourist and re
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Supporting Files
United States. Department of Transportation. Federal Highway Administration. Western Federal Lands Highway Division (2019). Cascade Lakes Highway Corridor and Bicycle Facilities Study. United States. Federal Highway Administration. Western Federal Lands Highway Division. https://doi.org/10.21949/1529371
United States. Department of Transportation. Federal Highway Administration. Western Federal Lands Highway Division. Cascade Lakes Highway Corridor and Bicycle Facilities Study. United States. Federal Highway Administration. Western Federal Lands Highway Division, 2019. https://doi.org/10.21949/1529371.
United States. Department of Transportation. Federal Highway Administration. Western Federal Lands Highway Division Cascade Lakes Highway Corridor and Bicycle Facilities Study. United States. Federal Highway Administration. Western Federal Lands Highway Division, 2019, ROSA P. https://doi.org/10.21949/1529371.
Three phases typically occur in the development of a concrete mixture: specifying, designing, and proportioning. Specifying refers to the requirements contained in the contract documents with regards to performance requirements for the fresh and hardened concrete. Mixture design is the process of selecting mixture characteristics for the intended u
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Van Dam, T. J. (2019). Specifying, Designing, and Proportioning Paving Concrete [techbrief] (Report No. FHWA-HIF-18-012). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43681
Van Dam, Thomas J.. Specifying, Designing, and Proportioning Paving Concrete [techbrief]. Report no. FHWA-HIF-18-012. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43681.
Van Dam, Thomas J. Specifying, Designing, and Proportioning Paving Concrete [techbrief]. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-18-012, ROSA P. https://rosap.ntl.bts.gov/view/dot/43681.
This Tech Brief focuses specifically on approaches commonly used for curing cast-in-place concrete pavements. The most common method is the application of membrane-forming curing compounds, although fogging, plastic sheets, wetted materials, and insulated blankets may also be used depending on the type of project and the ambient conditions during a
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Van Dam, T. J. (2019). Curing Concrete Paving Mixtures : [techbrief] (Report No. FHWA-HIF-18-015). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/38312
Van Dam, Thomas J.. Curing Concrete Paving Mixtures : [techbrief]. Report no. FHWA-HIF-18-015. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/38312.
Van Dam, Thomas J. Curing Concrete Paving Mixtures : [techbrief]. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-18-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/38312.
Accelerated bridge construction (ABC) is a technique in which large bridge elements are fabricated offsite or next to the site and are then connected onsite to complete the bridge. One such ABC method is the use of full depth precast (PC) concrete deck panels, which are placed on top of steel girders connected via shear studs. The PC concrete deck
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Provines, J., Ocel, J. M., & Zmetra, K. (2019). Strength and Fatigue Resistance of Clustered Shear Stud Connectors in Composite Steel Girders (Report No. FHWA-HRT-20-005). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/42728
Provines, Jason, Justin M. Ocel, and Kevin Zmetra. Strength and Fatigue Resistance of Clustered Shear Stud Connectors in Composite Steel Girders. Report no. FHWA-HRT-20-005. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2019. https://rosap.ntl.bts.gov/view/dot/42728.
Provines, Jason, et al. Strength and Fatigue Resistance of Clustered Shear Stud Connectors in Composite Steel Girders. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2019, Report no. FHWA-HRT-20-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/42728.
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure
2019-11-01
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This Technical Brief provides an overview of the several initiatives that encompass the concept of Performance Engineered Pavements (PEP). This document serves as the first in a series of PEP technical briefs on designing and accepting our nation's pavements for performance. Future technical briefs will focus on Asphalt Performance Testing (APT), C
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure (2019). Performance Engineered Pavements [techbrief] (Report No. FHWA-HIF-20-005). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/49027
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. Performance Engineered Pavements [techbrief]. Report no. FHWA-HIF-20-005. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019. https://rosap.ntl.bts.gov/view/dot/49027.
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Performance Engineered Pavements [techbrief]. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2019, Report no. FHWA-HIF-20-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/49027.
The Federal Highway Administration (FHWA) Office of Safety, in cooperation with the Highway Safety Manual (HSM) Implementation Pooled Fund Study, recently completed a safety analysis needs assessment for TSMO. The safety analysis needs assessment characterized the current state of practice, knowledge, and skills for quantifying the safety performan
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Porter, R. J., Gooch, J., & Dunn, M. E. (2019). Safety Performance Analysis of TSMO: A Practical Approach for Assessing Safety Service Patrol Effects on Secondary Crashes (Report No. FHWA-SA-19-042). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/55635
Porter, Richard J., Jeff Gooch, and M. E. Dunn. Safety Performance Analysis of TSMO: A Practical Approach for Assessing Safety Service Patrol Effects on Secondary Crashes. Report no. FHWA-SA-19-042. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019. https://rosap.ntl.bts.gov/view/dot/55635.
Porter, Richard J., et al. Safety Performance Analysis of TSMO: A Practical Approach for Assessing Safety Service Patrol Effects on Secondary Crashes. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019, Report no. FHWA-SA-19-042, ROSA P. https://rosap.ntl.bts.gov/view/dot/55635.
The Federal Highway Administration (FHWA) Office of Safety, in cooperation with the Highway Safety Manual (HSM) Implementation Pooled Fund Study, recently completed a safety analysis needs assessment for TSMO. The safety analysis needs assessment characterized the current state of practice, knowledge, and skills for quantifying the safety performan
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Porter, R. J., Gooch, J., & Dunn, M. E. (2019). Safety Performance Analysis of TSMO: A Practical Approach for Assessing Traffic Signal Coordination Effects on Crash Probability and Severity (Report No. FHWA-SA-19-043). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/55636
Porter, Richard J., Jeff Gooch, and M. E. Dunn. Safety Performance Analysis of TSMO: A Practical Approach for Assessing Traffic Signal Coordination Effects on Crash Probability and Severity. Report no. FHWA-SA-19-043. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019. https://rosap.ntl.bts.gov/view/dot/55636.
Porter, Richard J., et al. Safety Performance Analysis of TSMO: A Practical Approach for Assessing Traffic Signal Coordination Effects on Crash Probability and Severity. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019, Report no. FHWA-SA-19-043, ROSA P. https://rosap.ntl.bts.gov/view/dot/55636.
Dynamic part-time shoulder use (D-PTSU) opens shoulders for travel beyond fixed (or static) time periods (e.g., weekday peak periods). Dynamically operating the transportation system by matching supply-side strategies in accordance with prevailing conditions and travel demands represents an important advancement in agency adoption of Active Transpo
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Jenior, P., Schroeder, B. J., Dowling, R. G., & Hale, D. (2019). Decision Support Framework and Parameters for Dynamic Part-Time Shoulder Use: Considerations for Opening Freeway Shoulders for Travel as a Traffic Management Strategy (Report No. FHWA-HOP-19-029). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43718
Jenior, Pete, Bastian J. Schroeder, Richard G. Dowling, and David Hale. Decision Support Framework and Parameters for Dynamic Part-Time Shoulder Use: Considerations for Opening Freeway Shoulders for Travel as a Traffic Management Strategy. Report no. FHWA-HOP-19-029. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43718.
Jenior, Pete, et al. Decision Support Framework and Parameters for Dynamic Part-Time Shoulder Use: Considerations for Opening Freeway Shoulders for Travel as a Traffic Management Strategy. United States. Federal Highway Administration, 2019, Report no. FHWA-HOP-19-029, ROSA P. https://rosap.ntl.bts.gov/view/dot/43718.
Hydraulic cement concrete (hereafter referred to simply as concrete) is composed of aggregates bound together by a hydrated cement paste. Concrete contains a significant amount of porosity including small gel pores (0.5 to 10 nm in size) that are an intrinsic feature of the hydration products formed when water reacts with cement, capillary pores (1
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Van Dam, T. J. (2019). Air Entrainment and Concrete Durability [techbrief] (Report No. FHWA-HIF-17-009). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43682
Van Dam, Thomas J.. Air Entrainment and Concrete Durability [techbrief]. Report no. FHWA-HIF-17-009. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43682.
Van Dam, Thomas J. Air Entrainment and Concrete Durability [techbrief]. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-17-009, ROSA P. https://rosap.ntl.bts.gov/view/dot/43682.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-11-01
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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 (2019). Monthly Motor Fuel Reported by States: November 2019 (Report No. FHWA-PL-20-007). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/49894
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: November 2019. Report no. FHWA-PL-20-007. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/49894.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: November 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, Report no. FHWA-PL-20-007, ROSA P. https://rosap.ntl.bts.gov/view/dot/49894.
This report presents a summary of the 2019 Traffic Incident Management Capability Maturity Self-Assessments (TIM CM SA) completed by transportation personnel from 94 locations across the country between June and September, 2019. There are 55 scored questions in the TIM CM SA that are grouped into three sections: Strategic, Tactical, and Support. Th
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Brewster, R., & Delich, L. (2019). 2019 Traffic Incident Management Capability Maturity Self-Assessment National Analysis Report (Report No. FHWA-HOP-20-007). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/44155
Brewster, Rebecca and Lauren Delich. 2019 Traffic Incident Management Capability Maturity Self-Assessment National Analysis Report. Report no. FHWA-HOP-20-007. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019. https://rosap.ntl.bts.gov/view/dot/44155.
Brewster, Rebecca, and Lauren Delich 2019 Traffic Incident Management Capability Maturity Self-Assessment National Analysis Report. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2019, Report no. FHWA-HOP-20-007, ROSA P. https://rosap.ntl.bts.gov/view/dot/44155.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-11-01
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Federal Highway Administration's FHWA R&T Now is a newsletter containing information and updates about research, technology, and development from the U.S. Department of Transportation, Federal Highway Administration. The newsletter is an electronic newsletter and is updated approximately every other month.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2019). FHWA R&T Now - November/December 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/44303
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. FHWA R&T Now - November/December 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019. https://rosap.ntl.bts.gov/view/dot/44303.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology FHWA R&T Now - November/December 2019. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/44303.
A before-after empirical Bayes analysis was performed using data from 115 treated intersections in Charlotte, NC, and 218 treated intersections in Philadelphia, PA, to evaluate the safety effects of pedestrian countdown signals (PCSs). Additionally, the evaluation included 136 reference intersections in Charlotte, NC, and 597 reference intersection
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Srinivasan, R., Lan, B., Carter, D., Smith, S., Signor, K., & Persaud, B. (2019). Safety Evaluation of Pedestrian Countdown Signals (Report No. FHWA-HRT-19-045). United States. Federal Highway Administration. Office of Safety Research and Development. https://rosap.ntl.bts.gov/view/dot/42730
Srinivasan, Raghavan, Bo Lan, Daniel Carter, Sarah Smith, Kari Signor, and Bhagwant Persaud. Safety Evaluation of Pedestrian Countdown Signals. Report no. FHWA-HRT-19-045. United States. Federal Highway Administration. Office of Safety Research and Development, 2019. https://rosap.ntl.bts.gov/view/dot/42730.
Srinivasan, Raghavan, et al. Safety Evaluation of Pedestrian Countdown Signals. United States. Federal Highway Administration. Office of Safety Research and Development, 2019, Report no. FHWA-HRT-19-045, ROSA P. https://rosap.ntl.bts.gov/view/dot/42730.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-11-01
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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 (2019). Traffic Volume Trends: November 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50071
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: November 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/50071.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: November 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/50071.
The California Department of Transportation uses its Performance Measurement System to estimate work zone impacts, plan closures, manage performance during construction, and evaluate work zone management practices post-construction.
United States. Federal Highway Administration (2019). Comprehensive Work Zone Mobility Performance Management Across Project Stages (Report No. FHWA-HOP-19-054). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43720
United States. Federal Highway Administration. Comprehensive Work Zone Mobility Performance Management Across Project Stages. Report no. FHWA-HOP-19-054. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43720.
United States. Federal Highway Administration Comprehensive Work Zone Mobility Performance Management Across Project Stages. United States. Federal Highway Administration, 2019, Report no. FHWA-HOP-19-054, ROSA P. https://rosap.ntl.bts.gov/view/dot/43720.
United States. Federal Highway Administration. Center for Accelerating Innovation
2019-11-01
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Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
United States. Federal Highway Administration. Center for Accelerating Innovation (2019). Innovator - November/December 2019 - Volume 13, Issue 75 (Report No. FHWA-19-CAI-017). United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/43985
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - November/December 2019 - Volume 13, Issue 75. Report no. FHWA-19-CAI-017. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019. https://rosap.ntl.bts.gov/view/dot/43985.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - November/December 2019 - Volume 13, Issue 75. United States. Federal Highway Administration. Center for Accelerating Innovation, 2019, Report no. FHWA-19-CAI-017, ROSA P. https://rosap.ntl.bts.gov/view/dot/43985.
Individuals with cognitive disabilities, such as intellectual and developmental disability, those on the autism spectrum, and people with traumatic brain injuries, can face significant obstacles in accessing America’s many transportation options. Many of these individuals do not own or use personal vehicles, and can be reliant on public transportat
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Stock, S. E., & Davies, D. K. (2019). Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals With Cognitive Disabilities (Report No. FHWA-JPO-19-766). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/44053
Stock, Steven E and Daniel K. Davies. Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals With Cognitive Disabilities. Report no. FHWA-JPO-19-766. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019. https://rosap.ntl.bts.gov/view/dot/44053.
Stock, Steven E, and Daniel K. Davies Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals With Cognitive Disabilities. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019, Report no. FHWA-JPO-19-766, ROSA P. https://rosap.ntl.bts.gov/view/dot/44053.
Economic Effect of Restricted Crossing U-The RCUT, aka J-turn intersection, is an innovative alternative intersection design that displaces leftturn and through movements from the minor street. There is sufficient evidence that these designs reduce severe injury crashes and the FHWA hence added them to their list of “Proven Safety Countermeasures.”
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Schneider, H., Barnes, S., Pfetzer, E., & Hutchinson, C. (2019). Economic Effect of Restricted Crossing U-Turn Intersections in Louisiana (Report No. FHWA/LA.17/617). Louisiana. Department of Transportation and Development. https://rosap.ntl.bts.gov/view/dot/61319
Schneider, Helmut, Stephen Barnes, Emily Pfetzer, and Cory Hutchinson. Economic Effect of Restricted Crossing U-Turn Intersections in Louisiana. Report no. FHWA/LA.17/617. Louisiana. Department of Transportation and Development, 2019. https://rosap.ntl.bts.gov/view/dot/61319.
Schneider, Helmut, et al. Economic Effect of Restricted Crossing U-Turn Intersections in Louisiana. Louisiana. Department of Transportation and Development, 2019, Report no. FHWA/LA.17/617, ROSA P. https://rosap.ntl.bts.gov/view/dot/61319.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2019-11-01
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Connected vehicle technologies enable vehicles, roadside infrastructure, and personal portable devices to communicate and share information through wireless communication technology. Onboard units (OBUs) installed on vehicles will continually broadcast information on the vehicle’s position, direction, and speed in the form of a Basic Safety Message
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (2019). Connected Vehicle Deployment Technical Assistance: Security Credential Management System (SCMS) Technical Primer (Report No. FHWA-JPO-19-775). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/43635
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. Connected Vehicle Deployment Technical Assistance: Security Credential Management System (SCMS) Technical Primer. Report no. FHWA-JPO-19-775. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019. https://rosap.ntl.bts.gov/view/dot/43635.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office Connected Vehicle Deployment Technical Assistance: Security Credential Management System (SCMS) Technical Primer. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019, Report no. FHWA-JPO-19-775, ROSA P. https://rosap.ntl.bts.gov/view/dot/43635.
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