The System has a double track standard gauge of 1,435 mm layout, which is a prerequisite for a reliable operation at a maximum speed of 160 km/h. The System has been equipped with an Overhead Catenary System (OCS) supplying traction power with a voltage of 25 kV AC and a frequency of 50 Hz. The Traction Power Substation, located next to the railway line near the Ramkhamhaeng station, energises the OCS and the neutral section (de-energised zone) 10 m length between Ramkhamhaeng and Huamak station. Please refer to below overview