Airplanes are not tracked( as in, they run on tracks) so they have more options as to where they might be. With trains it's far far simpler to position. Being on a collision course should be obvious.

Funny, I'm form Romania too, and CFR is a shining example of mismanagement. I really doubt we can extrapolate a general rule from what is happening with CFR. Precautions and some automated safety systems could surely avoid this.