Measurement of Accessibility Index Using Gravity Model Based on GIS in Sukabumi District

Accessibility is a concept that combines the geographical land use with transportation network connecting system. Broadly speaking, this study aims to determine the accessibility index in Sukabumi district road network using the parameter range, running time, and travel time, and the depiction of the accessibility index with geographic information systems. To find out how much accessibility index in a region should be the measurement of accessibility. One is by gravity models using a parameter distance and time (running time and travel time). This accessibility calculation method based on region, which consists of 11 zones (regions) that Cicurug zone, Cidahu zone, Ciambar zone, Parungkuda zone, Kabandungan zone, Parakan salak zone, Bojong Genteng zone, Kalapa Nunggal zone, Cibadak zone, Nagrak zone, Cikidang zone. Cibadak sub-district has a high accessibility index is equal to 1.00 and sub Kalapa Nunggal have the lowest accessibility index is equal to 0.00. The method used is a direct measurement tool to the field with a stopwatch and a motorcycle. Measurements were performed in conditions of heavy traffic and traffic that is empty then take an average.