Green’s Dictionary of Slang

(UK black) a journey on foot.

1999		(con. 1979–80) A. Wheatle Brixton Rock (2004) 17: He bought a can and opted for the long trod to Brockwell Park.
2001		(con. 1981) A. Wheatle East of Acre Lane 26: Dis car has saved you nuff trods on a cold night.