3万平方米桥下闲置地块变成足球、网球场，惠及周边数万居民

Core Viewpoint - The transformation of the under-bridge space at Yangsigang Expressway into sports facilities, including a football field and a tennis court, aims to promote youth sports and meet community fitness needs, benefiting thousands of residents [6][7][17]. Group 1: Sports Facilities Development - A football field and a tennis court have been constructed under the Yangsigang Expressway, covering an area of approximately 30,000 square meters [9]. - The football field has hosted events such as the Evening News Cup and offers training classes, attracting over 200 students during summer sessions [6][10]. - The tennis court is set to officially open after hosting a youth points competition in late September [10][11]. Group 2: Community Engagement and Benefits - The facilities prioritize youth training, collaborating with 16 local schools to support campus football development [6]. - Free football "Carnival" events are organized to engage youth and stimulate interest in the sport [6]. - The initiative aims to convert previously unused land into vibrant community spaces, enhancing urban aesthetics and fulfilling local sports demands [17]. Group 3: Infrastructure and Services - The tennis court area includes 54 parking spaces and a container-style service front for equipment storage and refreshments [14]. - The operational hours for the football field include free access on weekdays and weekends, requiring prior reservations [10]. - The project reflects a collaborative effort among various departments to repurpose neglected urban spaces for public use [17].