The road is a land transport infrastructure has an important role to facilitate economic activities in one area. Road Sm. Amin Pekanbaru is a causeway that connects the city of Pekanbaru to Minas Siak. Damage found on the road can cause inconvenience to road users, so as to improve the comfort and safety of road users do maintenance by calculating the add thicknes layer on road Sm. Amin Pekanba…