 Porthmadog Harbour at the southern end of the Stryd Fawr has been the terminus of the Ffestiniog Railway from Blaenau Ffestiniog since passenger services started in 1865.Since 2011 it is also the southern terminus of the rebuilt Welsh Highland Railway from Caernarfon.The Welsh Highland Heritage Railway has its main station and visitor centre near the northern end of Stryd Fawr on the former Cambrian Railways sidings opposite to the main line station.