1) Pathway for some commuters 
(from the article `railroad`) Railroad track and roadway...because with the flange on the wheel debris was less likely to lodge on the rail. In the Harz Mountains, the Black Forest, the Ore Mountains, the ... [2 related articles]
[n] - a line of track providing a runway for wheels
noun a line of track providing a runway for wheels; `he walked along the railroad track`