Solo–Kertosono Toll Road (Soker Toll Road) is part of Trans-Java toll road in the island of Java, Indonesia. The toll road connects to Semarang–Solo Toll Road in the west, and in the east it connects to Kertosono–Mojokerto Toll Road. This toll road has a total length of 177.12 km comprise two segments, segment Solo–Ngawi and segment Ngawi–Kertosono. The road passes through eight regions: Boyolali Regency, Karanganyar Regency, Solo City, Sragen Regency in Central Java Province, and Ngawi, Madiun, Nganjuk and Jombang Regency in East Java Province. When commencing operation, Solo–Kertosono Toll Road, known as Soker Toll Road. The toll road is the longest toll road in Indonesia.