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Analysis of Bridge Railing Accidents
Framework for Performing Roadside Safety Assessments
Concerns About Use of Severity Indexes in Roadside Safety Evaluations
A-pillar A36 steel AASHTO accident data accidents involving AD-IV analysis bolts box-beam guardrail breakaway bridge railing accidents cantilever arm collision combination trucks concrete parapet cost criteria damage deformation degrees Department of Transportation developed driver injury Engineering evaluation FHWA fixed object ft/s full-scale crash tests Guide Specifications harmful event hazard Highway highway agencies Impact Angle impact attenuator impact performance injury severity km/hr mailbox assembly median barrier mi/h National Research Council NCHRP Report 230 North Carolina occupant compartment occupant impact velocity outer tube passenger cars percent pickup trucks post spacing rail element redirection ridedown acceleration right front Roadside Design Guide roadway rollover rural Safety Advisor severity indexes shown in Figure shown in Table single-unit trucks slope speed System test installation test vehicle Texas A&M University Texas Transportation Institute transition designs U.S. Department unreported accidents utility poles values vehicle type vertical support Washington windshield