G6 Beijing-Tibet Expressway Baiyin to Lanzhou direction, through the Shuping hub interchange about 4 km K1597 + 900-K1598 + 800 section, about 1 km from the Qingtu Dan tunnel K1593 + 900 for maintenance and construction, during the road are half a single lane traffic, please slow down the passing vehicles, pay attention to driving safety, is expected to resume at 18:00 on February 10, 2022.