2003 Volume 2 Issue 1 Pages 1-7
This paper contains some basic data concerning land use and traffic load in Tokyo central area, especially traffic generation units per floor area. The authors calculate these units by floor uses, traffic means, and time of a day, which relates directly to congestion. We suggest that office floor concentrates overwhelming amount of traffic on train in morning peak time (about 220 trip/ha/hour), commercial generates far less traffic in morning time, but gives 2 to 3 times heavier load than office on automobile in daytime, and residential gives much less load. We also suggest that area of office floor per a worker has largely increased recently, and total amount of automobile trips by business has decreased to about 60%, instead of total area of office floor has doubled in recent 20 years.
