Parking garage spiral ramps cause sideswipe damage on tight turns but cameras only cover entries
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The helical ramps in multi-story garages force vehicles into tight 270-degree turns with minimal clearance between opposing lanes, and wider modern vehicles (the average new car is 6 inches wider than in 1990) regularly clip mirrors, scrape doors, or sideswipe other vehicles on these turns. When damage occurs mid-ramp, there are no security cameras to identify the other driver because operators only install cameras at entry/exit points and elevator lobbies — not on every ramp turn. Victims file police reports that go nowhere because there is no footage, and insurance treats it as an uninsured motorist claim with a $500-1000 deductible. Garages designed in the 1980s cannot widen their ramps without losing parking spaces (and revenue), so operators accept the geometry as-is and rely on 'not responsible for damage' signage to deflect liability.
Evidence
https://www.caranddriver.com/news/a38748092/new-cars-too-wide-parking-garages/