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!
Typical tire tread depth gauges measure up to 32/32nds (or 25-26mm) since almost all passenger car and light truck tires begin with less than one inch of tread depth. To use a tread depth gauge, follow the steps below. Step 1: Confirm which measuring scale you are using.