Tuhia he tomokanga mō tēnei wāhanga - I mua i te hanganga o te BEA-TT, ka whakatūria e te minita kāwanatanga mō te kawe waka he kōmihana whakamātautau ad hoc, hei tauira i muri i te 1988 Paris-Gare de Lyon rail accident and 1999 Mont Blanc tunnel fire
He aha? I tautokona ēnei kōmihana e te Conseil Général des Ponts et Chaussées (CGPC, "Civil Engineering General Council").