User's manual, RoadAir 2.0.

RoadAir is a PC based model calculating air pollution parameters in connec tion with road traffic. These are: Emissions of co, co2 and NOx, concentra tions of CO and NO2, exposure to CO and NO2, road dust deposition and \"nuisance\". Calculations are done for a whole network of roads. The pro gramme is run interactively, and requires input files with data for traf fic, roads, buildings, in specified format.