BEDROOM HAS A BAY AREA OF WINDOWS. OUR BEDROOM IS ON THE THIRD FLOOR APRROXIMATELY 30 FEET HIGHER THAN THE ROAD . A STREET IS APRROXIMATELY 100 FEET FROM OUR HOUSE. WE USED PELLA PROLINE CASSEMENT WINDOWS. ANY SUGGESTIONS HOW TO QUITE THE STREET TRAFFIC IN OUR BEDROOM. PLEASE HELP