Ever wonder how much better a house would be if it was in a better location? Ever complain about a house because of its proximity to a highway or main street? Throughout my housing search, I saw numerous houses which hit every mark – except being located on a busy street, or too near a highway. Post-house search, I saw an interesting web site linked from Redfin’s Bay Area forum. Yes, there actually is a study measuring how much an increase or decrease in average 24 hour day night sound levels, Ldn, affects the values of a home.