359 p. App., ill. DWW publicatienr. DWW-2007-019 IPG = Innovatie Programma Geluid ; project name IPG 1.1.4 Scientific Board Department in commission: Road and Hydraulic Engineering Division of Rijkswaterstaat ; programme manager IPG: J.R.P. Nijland By order of Rijkswaterstaat, DGP & VROM