Original sentence: Combined with the hilly terrain, this made the construction of 61  Tunnels and 10 large bridges necessary.Of the 327 km of total length, 120 km are in  Tunnels, the two longest being the Landrücken Tunnel (10,779 m) south of Fulda, the second longest being the Mündener Tunnel (10,525 m) south of Hann.Withstanding 10,700 complaints and 360 lawsuits, the line was opened fully in 1991, though the Würzburg-Fulda part was used by InterCity trains as early as 1988
Edited sentence: Combined with the hilly terrain, this made the construction of 61 tunnels and 10 large bridges necessary.Notwithstanding 10,700 complaints and 360 lawsuits, the line was opened fully in 1991, though the Würzburg-Fulda part was used by InterCity trains as early as 1988.Of the 327 km of total length, 120 km are in tunnels, the two longest being the Landrücken Tunnel (10,779 m) south of Fulda, the second longest being the Mündener Tunnel (10,525 m) south of Hann