The current aging and narrow 15-kilometer tunnel higher up the flanks of the St.Gotthard can cope with just a fraction of that capacity at less than half the speed.

现有的拥挤老化的15公里长的隧道，位于圣哥达隧道上面的两翼，只能达到新隧道的一小部分运力，和一半的速度。

The current aging and narrow 15-kilometer tunnel higher up the flanks of the St. Gotthard can cope with just a fraction of that capacity at less than half the speed.

现有的拥挤老化的15公里长的隧道，位于圣哥达隧道上面的两翼，只能达到新隧道的一小部分运力，和一半的速度。

Why It's Unique: Despite the mountainous topography of the region, trains traveling through the Gotthard Base Tunnel willremain at nearly the same elevation for the entire trip.

独特之处：尽管该地区属于山地地形，但通过圣哥达基地隧道的火车在整个行程中几乎处于同一海拔高度。

Sixty-seven percent of those surveyed support a ban on truck traffic through the St Gotthard road tunnel, according to the poll commissioned by an Alpine environmental lobby group.

在一份由阿尔卑斯山环境保护游说团体发表的民意测验中，有67%的参与者都支持通过一项禁令，来针对在圣哥达公路隧道中通行的大型卡车。