Central government funding of local road maintenance effectively ended in 1991, and the breakdown of repair vehicles because of a lack of spare parts threatened to close access to some remote areas. A group of Greek construction companies signed a protocol with the Albanian government in July 1990 to build a 200 kilometer road across the southern part of the country, extending from the Albanian-Greek border to Durrës. The project was scheduled to last four years and cost US$500 million. Despite the poor quality of Albania's roads, most of the country's freight was conveyed over them in a fleet of about 15,000 trucks. According to official figures, in 1987 Albania's roadways carried about 66 percent of the country's total freight tonnage.