TIRE WITH SHALLOW GROOVE-BASED TREAD WEAR INDICATOR

A tire including a tread wear indicator is disclosed. The tire (10, 60) comprises a pair of sidewalls (12), each sidewall (12) extending from a respective bead area (16) to a tread (20), the tread (20) including at least one or a plurality of main circumferential grooves (24), said one or more main circumferential grooves (24) being disposed in or proximate an axial center area of the tread (20); at least one relatively shallow groove (28, 64) being formed in the tread (20), each shallow groove (28, 64) having a depth (50) relative to the surface of the tread (20) being less than a depth (52) of each of the one or more main circumferential grooves (24); at least one primary tread wear indicator (30) being disposed in at least one of the one or more main circumferential grooves (24); and at least one secondary tread wear indicator (32, 62) being disposed in at least one of the at least one shallow grooves (28, 64).