Rail transport in Israel includes heavy rail (inter-city, commuter, and freight rail) as well as light rail. Excluding light rail, the network consists of 1,384 kilometers (860 mi) of track, and is undergoing constant expansion. All of the lines are standard gauge and as of 2016 the heavy rail network is in the initial stages of an electrification programme. A government owned company, Israel Railways, manages the entire heavy rail network. Most of the network is located on the densely populated coastal plain.Some of the rail routes in Israel date back to before the establishment of the state – to the days of the British Mandate for Palestine and earlier. Rail infrastructure was considered less important than road infrastructure during the state's early years, and except for the constructi