National Academies Press: OpenBook

NCHRP 2018 Annual Report (2018)

Chapter: NCHRP Research Areas: Topics Across the Spectrum of Highway Concerns

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Suggested Citation:"NCHRP Research Areas: Topics Across the Spectrum of Highway Concerns." National Academies of Sciences, Engineering, and Medicine. 2018. NCHRP 2018 Annual Report. Washington, DC: The National Academies Press. doi: 10.17226/25346.
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Suggested Citation:"NCHRP Research Areas: Topics Across the Spectrum of Highway Concerns." National Academies of Sciences, Engineering, and Medicine. 2018. NCHRP 2018 Annual Report. Washington, DC: The National Academies Press. doi: 10.17226/25346.
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Page 9

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8 Nat i on al Coo perat ive Highway Research Program NCHRP RESEARCH AREAS Topics Across the Spectrum of Highway Concerns The subject matter of NCHRP projects extends across the full spectrum of concerns within the highway industry and demonstrates AASHTO’s interest in acquiring answers to the many acute problems facing DOT administrators and engineers. Problems submitted as candidates for funding each year are given a unique identification number based on the NCHRP Classification System for problem areas. 1 Pavements 2 Economics 3 Operations and Control 4 General Materials 5 Illumination and Visibility 6 Snow and Ice Control 7 Traffic Planning 8 Forecasting 9 Bituminous Materials 10 Specifications, Procedures and Practices 11 Law 12 Bridges 13 Equipment 14 Maintenance of Way and Structures 15 General Design 16 Roadside Development 17 Safety 18 Concrete Materials 19 Finance 20 Special Projects 21 Testing and Instrumentation 22 Vehicle Barrier Systems 23 Properties 24 Mechanics and Foundations 25 Impact Analysis (Social, Environmental, Economic, Energy)

9 2018 Annual Repor t NCHRP Project 03-117 analyzed factors associated with wrong-way movements on unsignalized divided highways and freeways. The divided highway analysis focused on design, signage, and roadway markings, while the freeway analysis emphasized the effectiveness of signage with flashing lights. The research results are discussed in NCHRP Research Report 881: Traffic Control Devices and Measures for Deterring Wrong-Way Movements. NCHRP Project 17-73 advanced a systemic approach, as opposed to a “hot-spot” approach, that enables transportation agencies to identify, prioritize, and select appropriate countermeasures for locations with a high risk of pedestrian-related crashes, even when crash occurrence data are sparse. The research results are presented in NCHRP Research Report 893: Systemic Pedestrian Safety Analysis. This identification number, corresponding to the specific problem area addressed, is part of the number that identifies a research project throughout its life cycle, until the project is given an NCHRP publication number when the final deliverable is published. For example, NCHRP Project 03-117 identifies a project in Area 3 (Operations and Control). NCHRP Project 17-73 identifies a project in Area 17 (Safety). Once research was completed, final reports for these projects were published, respectively, as NCHRP Research Report 881: Traffic Control Devices and Measures for Deterring Wrong-Way Movements, and NCHRP Research Report 893: Systemic Pedestrian Safety Analysis. Table 2 of the Annual Report uses this project numbering system to present information about active, completed, and pending NCHRP projects in 2018. The projects are grouped sequentially from Area 1: Pavements through Area 25: Impact Analysis.

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TRB’s National Cooperative Highway Research Program (NCHRP) has released its annual report. During 2018, NCHRP completed 150 research projects, published 68 research products, and approved 58 new and continuation projects. The report also presents detailed information about the operation of NCHRP.

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