IN MACROSCOPIC MODELLING OF COMMUTERS, COMMUTING TIME IS AN IMPORTANT FACTOR WHICH ACTS AS AN IMPEDANCE. ALTHOUGH IT WAS DIFFICULT TO KNOW THE ACCURATE COMMUTING TIME IN METROPOLITAN AREAS, THE 1990 POPOLATION CENSUS SUPPLIES ACTUAL COMMUTING TIMES BETWEEN EACH MUNICIPALITIES. USING THESE DATA, DIFFERENT MODELS FOR THE TOKYO METRO-POLITAN AREA ARE COMPARED. IN RESULT, A SIMPLE LINEAR MODEL IS SELECTED, WHICH SHOWS THAT THE PROBLEM IS THE LARGE CONCENTRATION OF JOBS IN CENTRAL AREA.
