80 meters. The construction project of the Third Ring Road in Hohhot is composed of four lines: the northern line, the western line, the southern line and the eastern line, with a total length of about 82 kilometers. The greening of the Third Ring Road in Hohhot is 80 meters wide. 65438+On February 25th, 2022, the opening ceremony of the Third Ring Road in Hohhot was held, and the bridge deck of the Third Ring Road with a total length of 87.8km was connected.