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Cars Keep Growing, Road Safety and Planet Pay Price
24 Jun
Summary
- Cars are 1.2cm longer annually, increasing crash risks.
- Larger vehicles lead to more emissions and parking issues.
- Future policies may cap car size and change taxes.

Analysis of new vehicles sold in Europe indicates a consistent yearly growth in car dimensions, with an average increase of 1.2cm in length, 0.5cm in height, and 0.5cm in width since 2000. This ongoing trend, described as "relentless carspreading," poses significant risks to public safety and exacerbates environmental concerns.
This growth in car size is directly linked to an increased likelihood of fatalities in road accidents and higher emissions detrimental to both human health and the planet. Projections suggest that if current trends persist until 2040, there could be an additional 2,600 vulnerable road user deaths annually, including 79 children. The increased energy demand for larger vehicles, whether fossil-fueled or electric, is also a growing concern for already stressed energy grids.
Beyond safety and environmental impacts, larger cars contribute to urban challenges, including significant losses in on-street parking spaces. Cities like London and Berlin are projected to lose approximately 100,000 spaces each by 2040 if this trend continues. To counteract these issues, experts propose capping bonnet heights and car widths, revising tax structures to disincentivize larger vehicle purchases, and implementing stricter vehicle standards that consider visibility for child pedestrians.