Cost Overrun Causes in Road Construction Projects : ‘ ’ Consultants ’ Perspective ’ ’

This study is conducted to identify the cost overrun causes in road construction projects in the West Bank in Palestine from consultants’ view. A questionnaire survey of 40 consultants from was performed. The survey included 51 suggested factors through literature review. The factors are ranked according to the degree of importance as assessed by the respondents. The findings reveal that the top five affecting factors are: materials price fluctuation, insufficient time for estimate, experience in contracts, size of contract, and incomplete drawings.