Guidelines for Guardrail Implementation (2009) / Chapter Skim
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Pages 25-27
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From page 25... ...
25 The guardrail selection guidelines presented in the previous chapter can be used to determine the most appropriate guardrail test level for any highway route. Note that these guidelines are appropriate for hazards commonly found along roadways, such as fixed objects and slopes.
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From page 26... ...
was used to estimate probability of injury values from Table 2 and PDO1 and PDO2 categories are assumed to both have average costs of $2,575 as shown in Table 7. The average crash costs were found to be $2.75 million and $0.99 million for the vertical drop-off and steep slope, respectively.
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From page 27... ...
cussed in the prior example. The average crash costs were found to be $1.2 million and $0.78 million for the vertical drop-off and steep slope, respectively.
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