Toyota broke ground at the new plant site on 17 October 2003.
There is an urgent need for greater security at the plant sites.
Many Toyota suppliers have facilities between the plant site and the city.
The original plant site was returned to the city.
A plant site would be selected by the end of the year.
Also anticipated was the illegal occupation of the plant site.
A company spokesman said nearly all of the company's domestic plant sites would be affected.
He lives in a village around 30km (18 miles) from the plant site.
The plant site is now home to light industrial companies.
The company said that nearly all of its domestic plant sites would be affected.
