It is crucial for transportation agencies to determine funding needed for maintaining their pavement systems at a desirable level of performance. A consistent and transparent multi-year pavement rehabilitation need analysis would serve a vital role for planning and for funding justification. A multi-year pavement rehabilitation need analysis system was developed for and implemented by the Georgia Department of Transportation (GDOT) to conduct analyses for such purposes. This system integrates network level requirements, such as acceptable statewide pavement performance composite rating, with project level actions on when, where, and what to treat pavement projects. The analysis performed by the system can take into account various requirements and constraints, such as to achieve certain pavement performance level and to balance the funding or pavement performance among GDOT Engineering Districts and the State Congressional Districts. Examples of determining 5 years (2003-2007) pavement rehabilitation funding needs based on different requirements for GDOT are presented. The analyses were based on the actual year 2002 GDOT statewide pavement condition survey data. The benefits of the proposed system are summarized, and the recommendations for future research are also discussed. For the covering abstract see ITRD E135448.
Abstract