BCR Assessment - Cycling Safety

📊 Model

Base

Poisson-Tweedie base model — total intersections, road length, cycleway length (Christ et al., 2025).

🎯 Grid Selection

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📋 Selected Area

Grid ID—

Observed acc./yr—

Road length—

Cycleways—

Intersections—

📍 Multi-grid

Grids selected—

Total baseline—

⚠ Benefits aggregated as independent estimates. Spatial dependence not accounted for.

🚧 Intervention

Effect

95% CI

Crash type

Source

Unit cost

Use my own unit cost

Overrides the default value above for this scenario only. Useful for local procurement prices, especially for measures marked "Adapted".

— ⓘ

Select a measure to see unit description.

📋 Current Scenario

Total cost€0

Total benefit€0

BCR—

Handbook (1–12): Elvik et al. (2009). Multiple CMFs combined multiplicatively.

SafetyCube (13–15): De Ceunynck & Focant (2017); Quigley (2017a, 2017b).

Accident costs: ANSR + ISEG official Portuguese values.

Cycle track cost: CML Lisboa 2024 (€13M / 90km = €144/m).

Model: Poisson-Tweedie, Christ et al. (2025).

🗺 Map

📊 Technical Results

Accidents/year

≤ 0.01

0.01–0.05

0.05–0.15

> 0.15

Scenarios

BCR scale: 0—3+

BCR comparison

Cost vs benefit

Measure contribution

⚠ Multiple CMFs combined multiplicatively (Elvik et al., 2009). Multi-grid benefits aggregated as independent estimates (Roque & Cardoso, 2015).

Scenario	Grids	Measures	Cost (€)	Deaths prev.	Severe prev.	Light prev.	Benefit (€)	BCR
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