A construction vehicle tire comprising a tread, wherein the tread includes: a width direction narrow groove extended in a tire width direction; a center circumferential direction groove communicated with the width direction narrow groove and formed at a position including a tire equatorial line; an outer side circumferential direction groove (40, 50) communicated with the width direction narrow groove and formed at an outer side in the tire width direction with respect to the width direction narrow groove; and a shoulder lug groove formed at the outer side in the tire width direction with respect to the width direction narrow groove and communicated with the width direction narrow groove through the outer side circumferential direction groove, characterized in that: the tread includes a notch groove having a slope portion, the notch groove being communicated with the width direction narrow groove; the slope portion is extended along the tire circumferential direction and inclined to be close to the inner side in the tire radial direction, from the surface of the tread to the width direction narrow groove, only one notch groove is formed in a predetermined range corresponding to a position far away from the tire equatorial line by a distance of 1/8 of a width of the tread, and the predetermined range is one notch groove along the tire width direction. a width direction narrow groove extended in a tire width direction; a center circumferential direction groove communicated with the width direction narrow groove and formed at a position including a tire equatorial line; an outer side circumferential direction groove (40, 50) communicated with the width direction narrow groove and formed at an outer side in the tire width direction with respect to the width direction narrow groove; and a shoulder lug groove formed at the outer side in the tire width direction with respect to the width direction narrow groove and communicated with the width direction narrow groove through the outer side circumferential direction groove, characterized in that: the tread includes a notch groove having a slope portion, the notch groove being communicated with the width direction narrow groove; the slope portion is extended along the tire circumferential direction and inclined to be close to the inner side in the tire radial direction, from the surface of the tread to the width direction narrow groove, only one notch groove is formed in a predetermined range corresponding to a position far away from the tire equatorial line by a distance of 1/8 of a width of the tread, and the predetermined range is one notch groove along the tire width direction. the tread includes a notch groove having a slope portion, the notch groove being communicated with the width direction narrow groove; the slope portion is extended along the tire circumferential direction and inclined to be close to the inner side in the tire radial direction, from the surface of the tread to the width direction narrow groove, only one notch groove is formed in a predetermined range corresponding to a position far away from the tire equatorial line by a distance of 1/8 of a width of the tread, and the predetermined range is one notch groove along the tire width direction.