flangeway

flangeway

[′flanj‚wā]
(civil engineering)
Open way through a rail or track structure that provides a passageway for the flange of a wheel.
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53) It can, for example, comprise both those who dwell on and stretch power lines across a lake, and the pilot from elsewhere who gets tangled in these lines when trying to land a seaplane, as well as, presumably, anyone else whose use and enjoyment of the lake might be disrupted by the lines, (54) It can equally comprise, where there are railroad tracks running down the centre of a busy street, all those whose feet or cycle tires might be caught in a gap between the asphalt and the flangeway.
Available Flangeway Clearance must be from 57 64mm in the unshimmed condition