A plan whereby employees who meet certain qualifications are assured wages income or employment for a full year or the greater part of a year. (TRB)
1) A rail or other structure laid parallel with the running rails of a track to control a derailed train, or at turnouts to hold wheels in correct alignment to prevent their flanges from striking the points of turnout or…
Graphical User Interface.
Facility housing a transit system, either a subway tunnel, at-grade trackway, or aerial structure.
A grade-separated guideway above the prevailing surface of the terrain that is supported by an embankment instead of by a structure. (TRB)