[f. TRACK v.2 + -AGE.] The action or process of tracking or towing, or fact of being tracked; towage, haulage.
1820. Blackw. Mag., VII. 436. In the Caledonian Canal, much animal or steam power will be saved, in trackage.
1826. J. Adamson, Sk. Inform. Rail-roads, 39. With such prodigious powers of locomotion and trackage, no wonder that the expences of transport should have been greatly reduced.