高速免费，广东中秋国庆高峰日车流或超1000万

Group 1 - The core point of the article highlights the expected surge in traffic during the upcoming Mid-Autumn and National Day holidays, with predictions of daily vehicle flow exceeding 10 million due to the free passage policy for small passenger vehicles [1] - The peak travel day is anticipated to be September 30, with significant traffic congestion expected in major cities like Guangzhou and Shenzhen as people travel out of the city [1] - The traffic flow is expected to follow a pattern of "dense at both ends, with slight fluctuations in the middle," indicating concentrated travel on the first and last days of the holiday [1] Group 2 - During the holiday period, approximately 18,000 personnel will be on duty across Guangdong's highways to manage traffic and enhance efficiency [2] - Various measures will be implemented to improve traffic flow, including flexible lane configurations, dedicated personnel for ETC lanes, and the establishment of 497 convenience service points [2] - Coordination between toll stations and local roads will be strengthened to optimize traffic management and ensure smooth passage during peak times [2]