sch.2-sec.28Tyre tread

sch.2-sec.28 Tyre tread

A tyre fitted to a heavy vehicle must not have cleats or other gripping devices that could damage road surfaces. A tyre fitted to the vehicle must have a tread pattern at least 1.5mm deep in all principal grooves on the tyre, other than at tread wear indicators, in a band running continuously— across at least 75% of the tyre width that normally comes into contact with the road; and around the whole circumference of the tyre. A heavy vehicle must not be fitted with a tyre that has been treated by recutting or regrooving the tread rubber, unless the tyre was— constructed with an extra thickness of rubber designed for recutting or regrooving; and labelled to indicate the construction. In this section— principal grooves , in relation to a tyre, means wide grooves, other than secondary grooves— usually positioned in the central zone of the tyre tread but that may run across the tyre tread; and in which tread wear indicators are usually located. secondary grooves , in relation to a tyre, means shallow grooves in the tyre tread that may disappear during the life of the tyre through wear. tread wear indicators , in relation to a tyre, means projections within a groove of the tyre that indicate the degree of wear on the tyre’s tread. sch 2 s 28 amd 2019 SL No. 238 s 11 ; 2021 SL No. 9 s 9 (3) (sch.2-sec.28-ssec.1) A tyre fitted to a heavy vehicle must not have cleats or other gripping devices that could damage road surfaces. (sch.2-sec.28-ssec.2) A tyre fitted to the vehicle must have a tread pattern at least 1.5mm deep in all principal grooves on the tyre, other than at tread wear indicators, in a band running continuously— across at least 75% of the tyre width that normally comes into contact with the road; and around the whole circumference of the tyre. (sch.2-sec.28-ssec.3) A heavy vehicle must not be fitted with a tyre that has been treated by recutting or regrooving the tread rubber, unless the tyre was— constructed with an extra thickness of rubber designed for recutting or regrooving; and labelled to indicate the construction. (sch.2-sec.28-ssec.4) In this section— principal grooves , in relation to a tyre, means wide grooves, other than secondary grooves— usually positioned in the central zone of the tyre tread but that may run across the tyre tread; and in which tread wear indicators are usually located. secondary grooves , in relation to a tyre, means shallow grooves in the tyre tread that may disappear during the life of the tyre through wear. tread wear indicators , in relation to a tyre, means projections within a groove of the tyre that indicate the degree of wear on the tyre’s tread.

• (a) across at least 75% of the tyre width that normally comes into contact with the road; and
• (b) around the whole circumference of the tyre.
• (a) constructed with an extra thickness of rubber designed for recutting or regrooving; and