“上了高速，发现全是聪明人”！还有人带了一锅饭……

Group 1 - The article discusses the heavy traffic and long travel times experienced by individuals returning home after the Spring Festival holiday, with reports of journeys taking significantly longer than usual [1][5][9] - Social media posts highlight the frustrations of travelers, with some reporting travel times of 15 hours for a trip that typically takes 10 hours, and others facing similar delays [3][7][9] - The article mentions that the return traffic is particularly heavy on major highways, such as the Shanghai-Chongqing and Beijing-Shanghai expressways, leading to significant congestion [20] Group 2 - The article provides practical advice for travelers, including the use of electric rice cookers to prepare meals on long journeys, which has been a trend for three consecutive years among some travelers [14][17] - Weather conditions are also discussed, with warnings of a cold wave affecting northern regions, leading to temperature drops exceeding 10°C, as well as strong winds and dust storms impacting visibility and travel safety [20] - The article emphasizes the importance of being prepared for adverse weather conditions and traffic congestion during the return journey, suggesting that travelers should consider these factors when planning their trips [20]