Dashboard & Map

Weather: Dry / Clear
GPS System: Active
Complex Problem
0
Behavior-Driven
0
Infra-Driven
0
Latent Risk
0
Best Practice
0
Monitor
0

Layer 1: 3-Panel Diagnosis

Infrastructure
--
FCD Behavior
--
Crash Legacy
--

Chulalongkorn Sandbox Road Network

Interactive Risk Simulator

Adjust variables below to simulate real-time road conditions. Changes recalculate R_behavior.

Mean Link Speed (Vmean) --
Speed Std Dev (σv) --
85th Percentile Speed (V85) --
Pedestrian / Cyclist Flow --

NKDE Bandwidth (h) Settings per Road Type

m
m
m

Four-Lens Risk Model (v3)

Independent lenses for Infrastructure, Behavior, and Legacy.

Pattern = Diagnose( iRAP, FCD, Legacy )

Currently inspecting: Phaya Thai Road

1

Axis 1: Infrastructure Risk (iRAP Star)

Used directly without transformation to denote structural safety.
iRAP DSR Rating -- ★
2

Traffic Exposure Factor: E(i, t)

Measures speed deviation and vulnerable road user (VRU) density.

SR = 1.0 + 0.4*CI + 0.6*OR

VRU = 1.0 + (Fpeds / Fmax) * 1.5

E(i, t) = SR * VRU (Clamped to [0.5, 5.0])
CI: σv / Vmean --
OR: max(0, (V85-Vlimit)/Vlimit) --
Speed Risk SR --
VRU Multiplier --
Exposure E(i, t) --
3

Historical Crash Factor: C(i, t)

Network Kernel Density Estimation (NKDE) with dynamic bandwidth .

C(i, t) = 1 + ∑ [ws(j) * K(d, h) * e-r * age]
Bandwidth (h) -- m
Relevant Crash Events --
Decayed NKDE Sum --
Crash Factor C(i, t) --
4

Temporary Condition Factor: T(i, t)

Accounts for transient risk factors.

T(i, t) = max(1.0, Tw * Tcon * Tinc)
Weather Tw --
Construction Tcon --
Incident Tinc --
Temporary T(i, t) --
5

Lens 4: Diagnosis Pattern

--

Complex | Behavior-Driven | Infra-Driven | Latent Risk | Best Practice | Monitor

API Connection Statuses

Simulate backend connection health. Toggle statuses to test system behavior and fallbacks.

Provides road safety star ratings & geometric attributes.

https://vida.irap.org/api/v1/segments

Streams hourly vehicle coordinates & speed indices.

https://api.itic.or.th/fcd/speeds

Retrives historical crash locations & severities.

https://rvp-accident.co.th/api/crashes

Hourly rain and storm warning overlays.

https://api.tmd.go.th/weather/hourly
Live API Stream Consoles
SYSTEM INFO
DRRS API monitoring client initialized. Waiting for connections...

Add Segment

Registered Sandbox Segments

ID Road Segment Name Class iRAP ★ Limit VKT FCD Risk Pattern Actions

Add Crash Event (Register to RVP DB)

ESG & SDG Road Safety Auditor

Export audited safety indices matching international corporate reporting standards.

GRI 403-9 Work-related Injuries

Fleet Risk Profile (Exposure Ratio)

Proportion of fleet vehicle-kilometers (VKT) operated on HIGH risk segments (Q1 Critical):

--%
Goal: 0% in high risk zones
SASB TR-RO-320a.1 Road Safety Indices

Average Network Safety Score (FSS)

Aggregated fleet risk indicator. Combines behavioral exposure rates and infrastructure:

-- / 100
Goal: > 85 safety rating (higher is safer)
UN SDG 3.6 Halve Road Fatalities

Network Quality Star-Ratings

Average iRAP Decimal Star Rating (DSR) across Sandbox road segments representing structural safety:

-- ★
Goal: 3★ or higher on all public highways
ISO 39001 RTSMS Safety Management

Hazard / Incident Counter

Total active incidents (lane closures, wet pavement, flooding warnings) affecting transient conditions:

--
Dry pavement across all lines

Safety Audit Summary Statement

Generating compliance statement based on active sandbox parameters...