Also, caulking all-around the outside in the window may help, and Green Glue soundproofing materials glue sealant could be just the ticket. Double- or triple-pane glass – Insulating fuel amongst window panes will work much like the air chambers engineered in vinyl frames, incorporating extra layers to dampen outdoors noise. https://deanefeca.thezenweb.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-acoustic-glass-windows-67776749