- (Chongqing) 7.353 km (4.569 mi) 2008 2 G42, Yichang-Chongqing
Expressway Canglongxia Tunnel China (Shaanxi) 7.350 km (4.567 mi) 2022 2 Ningshaan-Shiquan...
- G42 Shanghai–Chengdu
Expressway left tube: 7,280m,
right tube: 7,535m
Canglongxia Tunnel (苍龙峡隧道)
Shaanxi 7.350 km (4.567 mi) 2022 2x2 Ningshaan-Shiquan...