EPPE Ethan Parker Engineering Investigations  

Roadway Design Analysis

Ethan Parker PE
8130 Maxfield Lane
Cincinnati, OH 45243



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Analysis of Roadway Design & Condition

Ethan Parker PE can provide an analysis of a roadway's design and condition from an engineering perspective. The following are some of the areas in which roadway design and condition are particularly relevant to accident investigation:

Road geometry including the radius of a curve and its superelevation

Grade of the roadway and its effect on braking and acceleration

Sight distance, especially as it relates to safety at intersections A drop of nearly 6 inches at the edge of the pavement

Pavement edge drop off and its effect on a vehicle's safe reentry onto the pavement

Vehicular interaction with roadside obstacles, such as guardrails, signs, poles, and trees.

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