Under the laws of all states in this country, the seller of a piece of property is required to disclose all material facts concerning the property affecting price or desirability as to it to a potential buyer. What you have described concerning the train is a neighborhood condition as opposed to an actual condition with respect to the property.Under the laws of all states in this country, given the fact that the train tracks were readily apparent to you and others before the sale and deals with an allowable condition, it does not appear that you have any recourse as to the sellers or the real estate agents concerning the pruchase that you made of the home.