Safe and Aesthetic Design of Urban Roadside Treatments (2008) / Chapter Skim
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These higher risk road and roadside configurations were referred to as urban control zones. The road and roadside configurations most commonly associated with fixed-object crashes included those with the following: • Obstacles in close lateral proximity to the curb face or lane edge; • Roadside objects placed near lane merge points; • Lateral offsets not appropriately adjusted for auxiliary lane treatments; • Objects placed inappropriately in sidewalk buffer treatments; • Driveways that interrupt positive guidance and have objects placed near them; • Three kinds of fixed-object placement at intersections; • Unique roadside configurations associated with high crash occurrence; and • Roadside configurations commonly known to be hazardous.
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The results of this case study task varied, but can be used by agencies to estimate the potential safety implications of their future roadside enhancement projects.
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