Trehafod train station is on the Rhondda Line which follows the River Rhondda; the train line and river go through the village. The train leaves to different locations such as Cardiff central , Treherbert, Pontypridd, Porth Cardiff queen street, Treforest and Bridgend and arrives from Hengoed and Treorchy. There are many roads in Trehafod but the main road is the A4058 that leads from Treorchy and leads to the river Taff. There are also many bus stops.