Back إل تي بي بي Arabic کارایی درێژخایەنی ڕووی ڕێگە CKB عملکرد بلندمدت روسازی Persian Projet Comportement des chaussées à long terme French
Long-Term Pavement Performance Program, known as LTPP, is a research project supported by Federal Highway Administration (FHWA) to collect and analyze pavement data in the United States and Canada. Currently, the LTPP acquires the largest road performance database.[1][2]
- ^ Nehme, Jean (July 14, 2017). "About Long-Term Pavement Performance". Federal Highway Administration. Retrieved October 22, 2017.
- ^ Raab, Robert (n.d.). "Long-Term Pavement Performance Studies". Transportation Research Board. Retrieved October 22, 2017.