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!
New tires have between 9/32 in. and 15/32 in. tread depth. Wear bars (indicators) show up as a bald strip across thetread of the tire when the tread depth gets down to 2/32 in. 2. All tires are assembled by hand from many different materi-als and chemical compounds.