T AP ) ▁in ▁ 2 0 0 5 ▁it ▁was ▁r ated ▁as ▁" good " ▁– ▁the ▁second - high est ▁grade ▁out ▁of ▁five . ▁ ▁The ▁two ▁tub es ▁consist ▁of ▁four ▁linked ▁t unn els , ▁namely , ▁▁ ▁Al us uis se   — ▁ 1 , 0 7 0 ▁metres ▁( 3 , 5 1 0   ft ), ▁ ▁Cont oured   — ▁ 6 2 0 ▁metres ▁( 2 , 0 3 0   ft ), ▁ ▁Cr ête ▁Pl ane   — ▁ 1 8 0 ▁metres ▁( 5 9 0   ft ), ▁and ▁ ▁An ci en ▁S ierre ▁Plant ▁Com position   — ▁ 5 8 0 ▁metres ▁( 1 , 9 0 0   ft ). ▁ ▁The ▁S ierre ▁T unnel ▁came ▁to ▁international ▁attention ▁in ▁March ▁ 2 0 1 2 ▁after ▁a ▁coach ▁crash ▁inside ▁resulted ▁in ▁the ▁death s ▁of ▁ 2 8 ▁people , ▁including ▁ 2 2 ▁children , ▁who ▁were ▁returning ▁to ▁Belg ium ▁from ▁a ▁school ▁ski ing ▁hol iday . ▁ ▁References ▁ ▁Category : Ro ad ▁t unn els ▁in ▁Switzerland ▁Category : Build ings ▁and ▁structures ▁in ▁Val ais ▁Category : T unn els ▁completed ▁in ▁ 1 9 9 9 <0x0A> </s> ▁Ten aria ▁was ▁a ▁Spanish ▁cable ▁service ▁born ▁in ▁ 2 0 0 0 ▁from ▁the ▁mer ger ▁of ▁two ▁regional ▁cable ▁companies : ▁▁ ▁Ret ena , ▁Navar re ▁ ▁R eter io ja