 The rail was of the fish-bellied type, weighing , supported at a pitch of on small freestone blocks.The principal goods traffic was coal from the collieries served; Whishaw says that "The amount of coals from the Eglinton coal-field is stated to be about per annum ; and the average number of passengers, for the three years ending September 1839, about 31,000 annually.There are about 440 wagons in use on this line, which belong to the coal-proprietors."