In Publicaciones

*Publicación “The Effect of Vehicle Mix on Crash Frequency and Crash Severity” TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop and validate a statistically valid predictive methodology to quantify the effect of vehicle mix on crash frequency and severity for various facility types. Proposals are due January 23, 2020:

*Publicación “Transportation Research Board 2019 Annual Report”:

*Publicación “Solid-State Roadway Lighting Design Guide: Volume 1: Guidance”:

*Publicación “Solid-State Roadway Lighting Design Guide: Volume 2: Research Overview”:

*Publicación “Materials under winter conditions” The performance of ultra-thin pavement in winter maintenance operations is determined in Ultra-Thin Bonded Wearing Course (UTBWC) Winter Maintenance, a report from the Minnesota Department of Transportation. This report identifies the advantages and disadvantages of ultra-thin pavement during winter conditions:

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