The road route of Karanggambas to Karangklesem Purbalingga is one of the tourism routes leading to Sanggaluri Reptile Park. The traffic is quite crowded but swift. There are also many activities along the way such as shopping stalls and schools. The purpose of this study is to analyze the capacity of roads in Purbalingga. The results of this study shows value of the road capacity (C); it is 1989 passenger car unit/hour, and volume of traffic at peak hour is 397 passenger car unit/hour, with the degree of saturation is 0.20. This shows the traffic on the Karanggambas-Karangklesem Purbalingga road is on service level A (swift current of traffic, low volume, high speed).