Work was suspended in 2008, owing to public protests over radiation fears despite an environmental assessment by the Shanghai Academy of Environmental Sciences saying the line was safe and would not affect air and water quality, and noise pollution could be controlled.
Kerja dihentikan pada tahun 2008, karena protes publik khawatir karena radiasi meskipun penilaian lingkungan oleh Akademi Ilmu Pengetahuan Lingkungan Shanghai mengatakan jalur ini aman dan tidak akan mempengaruhi kualitas udara dan air, dan polusi suara bisa dikendalikan.