the increase of coconut shell charcoal as a filler and decreases the void ratio and VMA with the increase of filler. The different percentage of coconut shell charcoal ash are 1%, 1.5%, 2%, 2.5% and 3% are used in test with 5.5% bitumen. Key words: coconut charcoal shell ash, bitumen, freezing, marshal stability, void ratio. 1. IntroductionWeb