Patent ID: 6431788
Filing Date: 2002-08-13
Classification: E01F

Abstract:
A pavement marking comprising:a base sheet having first and second major surfaces, the base sheet having a longitudinal axis and a width generally perpendicular to the longitudinal axis; a plurality of first protuberances projecting from the first major surface of the base sheet; and a pattern of a plurality of elongated protuberances projecting from the first major surface of the base sheet, wherein the plurality of elongated protuberances and the plurality of first protuberances are differently shaped, wherein the elongated protuberances are arranged along the longitudinal axis, and further wherein the elongated protuberances overlap along the longitudinal axis of the pavement marking such that trailing ends of the elongated protuberances overlap leading ends of other elongated protuberances along the longitudinal axis; such that any cross-section taken transverse to the longitudinal axis of the pavement marking intersects at least one of the elongated protuberances.