Elastic conveyor belt for a transport system for conveying goods in a conveying direction (TR) along a conveyor belt plane (TE) of the conveyor belt , the conveyor belt comprising, a) on a carrying side of the conveyor belt , at least one carrying surface which is oriented along the conveyor belt plane (TE) and is intended for carrying the goods, and, b) on a guide side of the conveyor belt , at least one guide surface which is oriented along the conveyor belt plane (TE) and is intended for guiding the conveyor belt , and, c) in the guide surface , at least one groove for the engagement of a guide element for guiding the conveyor belt along the conveying direction (TR), a longitudinal axis of the groove being oriented along the conveying direction (TR), wherein the at least one groove d) comprises at least one base surface for defining a penetration depth of the guide element into the conveyor belt , and e) at least one left flank surface , which is arranged obliquely to the conveyor belt plane (TE) connecting the guide surface to the base surface , for left directional control of the guide element, and f) at least one right flank surface , which is arranged obliquely to the conveyor belt plane (TE) connecting the guide surface to the base surface , for right directional control of the guide element, wherein g) a base width (BB) of the base surface perpendicular to the conveying direction (TR) is less than an opening width (OB) of the groove perpendicular to the conveying direction (TR) and in a plane with the guide surface , characterized in that h) the base surface , the left flank surface and/or the right flank surface has a lower roughness than the guide surface . a) on a carrying side of the conveyor belt , at least one carrying surface which is oriented along the conveyor belt plane (TE) and is intended for carrying the goods, and, b) on a guide side of the conveyor belt , at least one guide surface which is oriented along the conveyor belt plane (TE) and is intended for guiding the conveyor belt , and, c) in the guide surface , at least one groove for the engagement of a guide element for guiding the conveyor belt along the conveying direction (TR), a longitudinal axis of the groove being oriented along the conveying direction (TR), wherein the at least one groove d) comprises at least one base surface for defining a penetration depth of the guide element into the conveyor belt , and e) at least one left flank surface , which is arranged obliquely to the conveyor belt plane (TE) connecting the guide surface to the base surface , for left directional control of the guide element, and f) at least one right flank surface , which is arranged obliquely to the conveyor belt plane (TE) connecting the guide surface to the base surface , for right directional control of the guide element, wherein g) a base width (BB) of the base surface perpendicular to the conveying direction (TR) is less than an opening width (OB) of the groove perpendicular to the conveying direction (TR) and in a plane with the guide surface , characterized in that h) the base surface , the left flank surface and/or the right flank surface has a lower roughness than the guide surface . <EOS>