grade separation

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.

1930–35, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To grade separation
Example sentences
It is not practical to develop warrants governing the construction of pedestrian grade separation facilities.
Such an objective can be obtained via crossing consolidation, closure and/or grade separation of the two modes of transportation.
Investment in a grade separation structure is long-term and impacts many users.
The grade separation overhead is to be a concrete box girders bridge structure on concrete piers and abutments.
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