The Changping Interchange is a vital node of the Yicheng-Baokang Expressway. The key of this schematic design is to ensure traffic safety between the Changping Interchange and the Huangjiazhai Tunnel.%长坪互通是宜城至保康高速公路重要节点，处理好该互通与黄家寨隧道的关系，确保行车安全是方案设计的关键。
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