ASTRA Infra acquired 40% of PT Trans Marga Jateng (TMJ), which is majority owned by Jasa Marga. TMJ is the concession holder of the 72.6 km Semarang Solo toll road, a part of the Trans-Java toll road network that links the two largest cities in Central Java. It is partly operational (first and second sections), with full operation expected by 2019.
The first three sections of the toll road, Semarang-Ungaran (10.8 km), Ungaran-Bawen (11.9 km) and Bawen-Salatiga (17.3km) are in operation. The fourth section from Salatiga to Boyolali (24.1km) and fifth section from Boyolali to Solo (7.7km) are under construction.