Summary of Key Points Core Viewpoint - The Beijing Public Transport Group has implemented various measures to ensure passenger safety due to snowfall in Beijing and surrounding areas as of January 18, 2023 Group 1: Suspension Measures - A total of 9 bus routes have been suspended in both directions, including routes 633, 858, 859, 877, 898, 899, 920, 936, and 880快 [2] Group 2: Detour Measures - 3 bus routes are taking detour measures, which include routes 309, 597, and 专177, with specific points where stops are skipped [2] Group 3: Interval Measures - 6 bus routes are operating with interval measures, including routes 310, 329, 550, 574, 886, and 951, indicating limited service on certain segments [2]