Accuracy note: Defaults are evidence-guided multipliers. Adjust them to reflect local data or scenario testing. Settings below are the single source of truth for applied multipliers.
Assumptions
Applies to weather, lighting, and fatigue.
Shows how risk shifts when key assumptions vary within plausible ranges. This is a sensitivity check, not a measured confidence interval.
Weather settings
×1.20
350 m×1.70
×1.40
×3.00
×3.00
×1.10
Behavioural settings
×1.20
×4.00
Traffic proxy
0.50
0 = disable proxy, 1 = full rate ratio.
Lighting & surface
×1.40
×1.20
Segment Calibration
Applies to the currently selected road segment’s risk calculations.
Display Options
#2563EB
Traffic-based colours adapt to traffic intensity for context.
Hotspots
Overlay settings
Colours nearby road segments by computed annual risk (road-only).
500 m
85%
98%
Select a road first to generate overlays.
Route (A→B)
Distance: -Duration: -
Set Start (A) and End (B).
Route Hotspots
Isochrones
minmin
0.4
85%
98%
Awaiting input.
Graphs
Open Distribution Insights from the menu or the map control.
Export
Daily Collision Risk: -
(- per year)
Safe Speed: -
Stopping Distance: -
Infrastructure Rating: -
Infrastructure rating details
Infrastructure rating reflects design attributes; it is not a crash prediction.
Loading road data…0%
Local Risk Intensity
LowMediumHigh
Isochrones (Travel Time)
Export / Download
Segment rows with raw metrics and WKT geometry.
LineString features with full export schema properties.
Settings, thresholds, attribution, and selection summary.
Histogram bins, summary stats, and selected road context.
Map view with legends and run metadata overlay.
Snapshot export not supported in this browser.
Ready.
Distribution Insights
n:-
Mean:-
Standard Deviation:-
Selected X:-
Z-Score:-
Percentile:-
P95:-
P99:-
CVaR95 (Tail Mean ≥ P95):-
Minimum:-
Q1 (25th Percentile):-
Median (Q2):-
Q3 (75th Percentile):-
Maximum:-
IQR:-
Lower Whisker:-
Upper Whisker:-
Outliers:-
Selected percentile:Select a road segment to view percentile gauge.
0%50%100%
Analytical View
Distribution Overview
Select a graph type to inspect the sampled road-risk distribution.
Distribution summary will appear here when graph data is available.