Whakakiia te rerenga e whai ake nei: I mua i te hanganga o te BEA-TT, ka whakaturia e te minita o te kawanatanga mo te kawenga mo te kawe waka nga komihana rangahau ad hoc, hei tauira i muri i te 1988 Paris-Gare de Lyon rail accident and 1999
Te ahi o te awaawa o Mont Blanc. I tautokona ēnei kōmihana e te Conseil Général des Ponts et Chaussées (CGPC, "Civil Engineering General Council").