⚡ Advanced ML & Geospatial Intelligence

Road Accident Severity Predictor

Real-time machine learning inference and geospatial intelligence for traffic incident injury prediction.

Balanced Accuracy
82.4% +14.2%
Macro F1 Score
0.801 SMOTE
Inference Latency
< 8ms Real-Time
Spatial Engine
DBSCAN Haversine

Roadway & Speed Dynamics

Kinetic Multiplier
45 mph

Environmental & Lighting Factors

Visibility & Friction
19:00

Incident Characteristics

Vehicle & Damage
2 Units
High Severity Incident
84%
Injury Prob.

Injury / Tow Required

High risk of passenger injury or disabling vehicle structural damage requiring immediate emergency towing.

Injury & Tow Probability 84.2%
No Injury / Drive Away 15.8%

⚠️ Identified Risk Factors

Global Feature Importance (SHAP TreeExplainer)

Calculated via game-theoretic Shapley Additive Explanations across test validation splits.

TreeExplainer

Spatial Hotspot Analysis (Chicago DOT)

DBSCAN density clustering with Haversine distance and severity-weighted risk indices.

Postcode Corridors
Cluster ID Postal Code / Corridor Reported Volume Severity Index Priority Tier
#C-01 60607 (Loop / I-90 Junction) 1,420 crashes 8.92 / 10.0 Critical Priority
#C-02 60616 (Near South Side / Cermak) 1,150 crashes 8.45 / 10.0 Critical Priority
#C-03 60618 (Avondale / Elston Corridor) 820 crashes 6.30 / 10.0 Elevated
#C-04 60647 (Logan Square / Fullerton) 740 crashes 5.85 / 10.0 Elevated
#C-05 60630 (Jefferson Park) 410 crashes 3.20 / 10.0 Standard Baseline

Model Specifications & Benchmark Comparisons

Stratified 5-Fold cross-validation results comparing candidate architectures.

LightGBM v4.7
Algorithm Candidate Sampling Technique Balanced Accuracy Macro F1 ROC-AUC Status
LightGBM Classifier SMOTE (1:1 Ratio) 82.4% 0.801 0.875 Production Model
Random Forest (100 Trees) Random Undersampling 74.1% 0.713 0.790 Evaluated
Logistic Regression Class Weight Balanced 68.2% 0.650 0.722 Baseline