grade separation

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grade separation

[′grād sep·ə‚rā·shən]
(civil engineering)
A grade crossing employing an underpass and overpass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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"The grade-separated junction has always been an issue - it has been promised and still not delivered."
This tunneling method normally is not used in the United States because construction of traditional grade-separated crossings is less expensive than building tunnels and sufficient land typically is available to build grade-separated crossings.
"In our view, however, this does not address what we consider to be a core issue with the north route - the carving out of potentially 26 miles of new grade-separated dual carriageway through some of the richest farmland and most beautiful countryside to be found in the Garioch.
The project includes features such as intermittent grade-separated interchanges, cross-drainage structures, camel crossings, and rest/service areas and weighing stations at intermittent locations.
It also includes several intermittent grade-separated interchanges, cross-drainage structures, camel crossings, and rest/service areas and weigh stations at intermittent locations.
It includes several intermittent grade-separated interchanges, cross-drainage structures, camel crossings and rest/service areas and weigh stations at intermittent locations.
The expressway will cater to traffic throughout the Muscat area from Al Qurum to Al Naseem, with the grade-separated interchanges providing links between the expressway and the areas of Rabiat Al Qurum, Madinat Al Ilam, Madinat Al Sultan Qaboos, Al Khuwair, Bausher, Ghala, Al Ansab, Airport Heights, the future as well as the existing Muscat International Airport interchanges, Al Rusayl, Nizwa Road, Al Khoud, Halban and Al Naseem.