Washington, DC -- Tyre quality has improved over the last year, says the US-based National Highway Traffic Safety Administration (NHTSA). The government organisation has released its annual tyre ratings.
NHTSA's 2005 ratings cover more than 2400 lines of the most popular passenger vehicle tyres sold in the US. The agency rates tyres based on traction, treadwear and their ability to resist heat.
This year, nearly 90 tire lines received the highest possible rating for traction. Also, four tire brands (Big-O, Michelin, Bridgestone and Cordovan) produce tire lines that received exceptional ratings for tread durability. This year, nearly 700 tire lines were given the highest grade ("A") for heat resistance.
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Press release from HNTSA
Ratings from NHTSA