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This dataset represents the relative road‑accident hazard across local municipalities in KwaZulu‑Natal. Hazard values were derived by weighting classified road types based on their potential contribution to road accident risk, combined with spatial modifiers including terrain slope and weather‑related risk factors. |
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This dataset represents the relative road‑accident hazard across local municipalities in KwaZulu‑Natal. Hazard values were derived by weighting classified road types based on their potential contribution to road accident risk, combined with spatial modifiers including terrain slope and weather‑related risk factors. |
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SRK Consulting
Creator: Herman Booysen (hbooysen@srk.co.za)
Road Network and Hazard Analysis: SRK Consulting
Supplementary Inputs: Digital Elevation Model (slope), weather‑related incident risk indicators |
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<p>a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; }</p><div style="font-family:'Segoe UI';font-size:14px;font-style:normal;font-weight:400;line-height:20px;"><p>The <i>RoadsAccidentHazard_LocalMunics_KZN</i> layer quantifies the relative accident hazard associated with road infrastructure within KwaZulu‑Natal local municipalities.<br>Road segments were first classified by type and assigned weights (Rank 1–10) based on their expected contribution to accident risk:</p><ul><li><strong>10 – National Freeway:</strong> High‑speed long‑distance movement</li><li><strong>9 – National Road:</strong> Strategic inter‑city/provincial mobility</li><li><strong>8 – Interchange:</strong> Major junctions</li><li><strong>7 – On/Off Ramp:</strong> Freeway access points</li><li><strong>6 – Arterial Road:</strong> High‑volume urban/suburban corridors</li><li><strong>5 – Main Road</strong></li><li><strong>4 – Secondary Road</strong></li><li><strong>3 – Street</strong></li><li><strong>2 – Other Road:</strong> Unclassified/minor access routes</li><li><strong>1 – Footpath:</strong> Pedestrian movement only</li></ul><p>These weights were integrated with slope and weather‑risk inputs to adjust likelihood of road‑related accidents (e.g., steep gradients, rainfall‑related conditions).</p></div> |
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<div style="font-family:'Segoe UI';font-size:14px;font-style:normal;font-weight:400;line-height:20px;">This dataset is intended for strategic‑level hazard assessment. Municipal hazard values represent <strong>relative</strong> risk, not actual accident counts. Accuracy is dependent on the underlying road‑network classification, DEM resolution, and weather‑risk inputs. Local‑level validation is recommended before operational decision‑making or detailed engineering applications.</div> |
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RoadsAccidentHazard_LocalMunics_KZN |
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["road accident hazard","transport risk","weighted road classes","municipal risk","KwaZulu\u2011Natal","slope impact","weather risk","GIS","SRK Consulting","disaster risk assessment","mobility safety","road hierarchy","hazard modelling"] |
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en-ZA |
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