grade separation

American  

noun

1. separation of the levels at which roads, railroads, paths, etc., cross one another in order to prevent conflicting rows of traffic or the possibility of accidents.

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Etymology

Origin of grade separation

An Americanism dating back to 1930–35

Example Sentences

It dates back to 1976, when longtime Eastside Councilmember Art Snyder secured funds for its creation as part of a grade separation project for the railroad tracks that serve as Lincoln Height’s southern border.

From Los Angeles Times

In Red Wing, city officials requested $10.5 million to complete a rail grade separation project for a busy four-lane roadway that intersects the Canadian Pacific Railroad.

From Washington Times

The city of Elmhurst will get $2 million for a new pedestrian grade separation of the Union Pacific Railroad tracks near York Road.

From Seattle Times

The construction confusion on the right hides the work-in-progress of the grade separation between the railroad tracks and the line of businesses on the north side of Ewing Street.

From Seattle Times

Since then, about 60 surface-level light-rail train collisions with cars or pedestrians in Seattle have demonstrated the value of grade separation.

From Seattle Times