Unit costs and values used in the analysis
| Resource | Unit costs* | Number of units | Source |
| WTP for severe injuries | €629 100 | 1.5 (0.6–2.7) | Barnes et al, 2006 |
| WTP for moderate injuries | €148 500 | 71 (25.0–126.3) | Barnes et al, 2006 |
| WTP for slight injuries | €18 900 | 434.5 (153.4–773.0) | Barnes et al, 2006 |
| Value of statistical life | €2.7 million (€3.5 million) | 0 (1) | Martínez et al, 2007 |
| Implementation costs | €384 039.41/2 years | – | Department of Mobility, Barcelona City Council |
| Maintenance costs | €253 536.10/2 years | – | Department of Mobility, Barcelona City Council |
| Police costs | €327 708.22/2 years | – | Personal communication |
| Photograph/ticket processing and delivery | €629 998.98/2 years | – | City of Treasury, Barcelona City Council |
| Ajuntament de Barcelona, 2008 | |||
| Ajuntament de Barcelona, 2004 | |||
| 549 434 vehicles/working day | Department of Mobility, Barcelona City Council | ||
| Time lost due to speed reduction | €26.61/h | 1.2 people/vehicle 1.8 km/h | Shires and de Jong, 2009 |
| Ambulances | €210.00/trip | 507 (179–902) | UNESPA, 2008 |
| Attendance of emergency department | €113.20/attendance | 507 (179–902) | UNESPA, 2008 |
| Hospitalisation | €18 867–€302.03/stay | 39.5 (13.9–70.3) | UNESPA, 2008 |
| Private property damage | €1200/crash | – | UNESPA, 2008 |
| Productivity loss | €87.53/day | 490.5 (1389.1–2471.5) | Instituto Nacional de Estadística, 2008 |
| People who avoided injury | – | 507 (179–902) | Pérez et al, 2007 |
Values in parentheses indicate alternative values used in the sensitivity analysis.
↵* Euros in year 2008.
WTP, willingness to pay.