These improvements included regrading and repaving, adding flashing Botts Dots, and reinforcing guard rails. Regrading is the process of grading for raising and/or lowering the levels of land. Regrading of the hillside occurred afterward, after which significant slope instability began. Candidates may request a remarking (regrading) if they suspect errors in the original marking. This also involved the regrading of the slope of Ludgate Hill at the junction. US 15 has shed considerable length in near-continuous realignment and regrading over the years. Duplication and regrading of the track between Ipswich and Grandchester began in July 1914. Construction of the approaches required regrading the hill. Mass protest arose from the attempt to implement recommendations of a position regrading study. It is also responsible for ranking and regrading its members. The two sides also agreed to a number of basic principles regrading appropriate conduct. This earned the band's regrading to Grade One. This included adding rails on corners, regrading in six places, and one deviation. The project would span of territory and feature regrading 30 properties. Regrading of a stream toward a new lower base level will proceed upvalley.