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FIELD TRIALS OF SAFETY MEASURES
SELECTING SIMPLE TREATMENTS FOR SITES
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acci accident types accident-type analysis applied approach arterials average bend carriageway cars cause cell cent changes classified clustering collision column condition considered cost countermeasures crossing damage dents determined device diagram distance driver driveway effect entering examined example factors flow frequency further given hour initial injury install intersection involved kerb killed known lane leaving left turn lighting limited measures median movement Note object Object hit occur opening operator opposing direction overtaking parked vehicle particular pedestrian period persons Police possible presence Primary problem REAR END recorded reduction report form require Research reverse right turn road class safety Secondary separator severity shows side signals signs specific speed straight street Supp Table thru tion traffic travelling treatment turn unit