In which year was the 1st Highway Safety Manual released?

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Multiple Choice

In which year was the 1st Highway Safety Manual released?

Explanation:
Understanding when the Highway Safety Manual first appeared is the focus. The first edition, which introduced standardized methods for safety analysis—like safety performance functions and crash modification factors—was published in 2010 by AASHTO with support from the NCHRP. This publication year marks the initial release of the manual, giving engineers a consistent framework to estimate crash impacts and compare safety interventions. Earlier years would imply editions that didn’t exist yet, while a later year would be after the manual’s introduction. So 2010 is the correct release year.

Understanding when the Highway Safety Manual first appeared is the focus. The first edition, which introduced standardized methods for safety analysis—like safety performance functions and crash modification factors—was published in 2010 by AASHTO with support from the NCHRP. This publication year marks the initial release of the manual, giving engineers a consistent framework to estimate crash impacts and compare safety interventions. Earlier years would imply editions that didn’t exist yet, while a later year would be after the manual’s introduction. So 2010 is the correct release year.

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