I'm sure we can find plenty of precedents for surveys like this. Hey, I could tell you which countries and which centuries to look for them. But I have just one quesiton: if the answer is "no", what are the company going to do? Run segretated trains - Arabs, secular Jews, Haredim?
One week later, death toll in Taiwan earthquake rises to 113; 4 missing (AP)
from the article: J'lem train company asks passengers: 'Do you mind traveling with Arabs?'