截至1月17日22时，北京公交6条线路采取调度措施

Summary of Key Points Core Viewpoint - Beijing's public transportation is implementing measures in response to snowfall to ensure passenger safety, affecting several bus routes [1] Group 1: Service Adjustments - Two bus routes are suspended in both directions: 633 (Yang Tuo - Ziqiao Road) and 920 (Apple Garden Hub - Yanqing South Vegetable Garden Bus Station) [1] - Three bus routes are rerouting and skipping stops in both directions: 309 (Taiziyu Cemetery - Beijing West Station South Square), 597 (Lugu Bus Station - Heishitou Village), and Special Route 177 (Taiziyu Cemetery - Metro Zhangguozhuang Station) [1] - One bus route is operating on a limited section: 886 (Beijing Mangshan Forest Park - Deshengmen West) is running from Deshengmen West to Changping Dongguan [1] Group 2: Passenger Information - Passengers are encouraged to call the 24-hour service hotline 96166 for inquiries regarding the service changes [1] - The company expresses understanding for any inconvenience caused to passengers due to these adjustments [1]