SoundPLAN is the leading noise and air pollution planning and mapping software for 29 years. Use SoundPLAN to map and assess any transportation, industry or leisure noise. Use it for any size project with even the smallest version. Outstanding features include the cost/benefit capabilities for Wall Design and Expert System, extensive documentation features, and it is the only integrated suite of software that models interior noise levels, sound transmission through building walls and sound propagation into the environment. SoundPLAN’s famous graphics are both stunning and easy to use.