The road is an important transportation infrastructure in a country, that has provide services in the fields of education, culture, politics, social work and can increase economic activity. This research located on the Solo-Yogyakarta Highway Km 9-Km 15 the objectives of the research is to evaluable the effect of overloading on life design reduction of pavement. This research use the AASHTO 1993 method to analyze the research give the results that life design of the road will be reduced around 6,7 years because of overloading. The pavement layer thickness based on standard load are Laston 20,1 cm, Base 4,1 cm (Sirtu A) and Subbase 15 cm (Sirtu B) on the otle hand the pavement layer thickness based on overload are Laston 22,1 cm, Base 5,6 cm (Sirtu A) and Subbase 22,1 cm (Sirtu B) respectively. The results showed that overload cauted the reduction of life design of the pavement.