Bologna often ranks as one of the top cities, in terms of quality of life in Italy   Bologna is a very important railway and motorway hub in Italy.  Bologna is renowned for its culinary tradition.ologna often ranks as one of the top cities, in terms of quality of life in Italy   Bologna is a very important railway and motorway hub in Italy.
The differences surprised us! Vehicles equipped with the 2/32 minimum tire tread depth took about 100 more feet to stop and were still traveling at about 45 mph at the same distance the vehicles equipped with the 4/32 deep tires had already come to a complete stop!
1 According to the tire industry, the average tread depth of a new tire can range from 10/32â³ to 11/32â³.7.  Tires age whether they are driven on or notâbe sure to check tires on recreation vehicles, trailers, collector cars, community vehicles and 15-passenger vans, too.8.