since both the paddington and southall crashes had reopened Openness public debate on atp , a separate joint inquiry considering the issue in the light of both crashes was also held Hold in 2000 ; it confirmed Check the rejection of atp and the mandatory adoption of a cheaper and less effective system , but noted Know a mismatch between public opinion and cost-benefit analysis .

since both the paddington and southall crashes had reopened Openness public debate on atp , a separate joint inquiry considering the issue in the light of both crashes was also held Hold in 2000 ; it confirmed Check the rejection of atp and the mandatory adoption of a cheaper and less effective system , but noted Know a mismatch between public opinion and cost-benefit analysis .