Proposed Guidance for Fixed Objects in the

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Proposed Guidance for Fixed Objects in the Roadside Design Guide NCHRP Project 17-82 This slide presentation was developed by MRIGlobal under NCHRP Project 17-82. More information about this topic can be found in NCHRP Research Report 1016:

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Proposed Guidance for Fixed Objects in the Roadside Design Guide NCHRP Project 17-82<br>
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This slide presentation was developed by MRIGlobal under NCHRP Project 17-82. More information about this topic can be found in NCHRP Research Report 1016: Design Guidelines for Mitigating Collisions with Trees and Utility Poles on the National Academies Press website (www.nap.edu).
 
NCHRP is sponsored by the individual state departments of transportation of the American Association of State Highway and Transportation Officials. NCHRP is administered by the Transportation Research Board (TRB), part of the National Academies of Sciences, Engineering, and Medicine, under a cooperative agreement with the Federal Highway Administration (FHWA). Any opinions and conclusions expressed or implied in resulting research products are those of the individuals and organizations who performed the research and are not necessarily those of TRB; the National Academies of Sciences, Engineering, and Medicine; FHWA; or NCHRP sponsors.<br>
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Background 18,000 traffic fatalities per year result from roadway departures
Over 7,000 of these involve collisions with roadside fixed objects.
Trees are the roadside fixed object most frequently involved in fatal crashes.
The second type of roadside fixed object most commonly struck in fatal crashes are utility poles and light supports.
Given the scale of our roadway system, the diverse nature of existing roadsides, and the limited funds for safety improvement, not every roadside can be treated or mitigated to provide the full clear zone.
Highway agencies need to be able to establish priorities for roadside improvements.<br>