The California Public Employees鈥 Retirement System (CalPERS) has invested in domestic road infrastructure for the first time.

The $294bn (鈧258bn) pension fund has bought a 10% share of the Indiana Toll Road Concession Company (ITRCC) from Australian fund manager IFM Investors.

ITRCC maintains the 157-mile Indiana Toll Road in an agreement with the Finance Authority for the State of Indiana.

鈥淭his solid, long-term investment represents our first foray into a transportation asset in the US,鈥 said Paul Mouchakkaa, managing investment director for CalPERS鈥 real assets programme.

鈥淲e continue to make progress building up this important programme, and the ITRCC aligns well with our recently adopted strategic plan for real assets.鈥

IFM Investors for $5.73bn, giving it exclusive rights to collect roll revenues from road users and to raise toll rates.

Australian superannuation fund Cbus, which is an investor in the IFM fund that owns ITRCC, also made a $140m co-investment.

Michael Kulper, executive director, infrastructure at IFM Investors, that the toll road is a strategically important link in the US distribution network.

鈥淭he availability of the ITR represented a rare opportunity to acquire a stable asset in a premier location,鈥 he said. 鈥淚t forms the backbone of the freight system in the US.鈥

Grant Harrison, investment manager of private markets at Cbus, : 鈥淲e saw it as a very strategic asset in the broader US national transportation network.鈥