Cross-sectional elements - geometric design of roads, Civil Engineering

Cross-sectional Elements:

The terms used in the cross-section of a road are :


The portion where traffic moves.


The portion outside the carriageway to provide lateral support to the pavement and for giving working space for stopped vehicles.


A vertical or sloping member along the edge of a pavement provided for supporting raised footpaths or central median.


A central reverse for providing space separating dual carriageways.


Also known as cross-slope for facilitating drainage.

Side Slope

Slopes of embankment or cutting.

Roadway Width

Total top width of a road.

Formation Width

Total width of a road at the level of the bottom of the pavement. Sometimes, the roadway width itself is known as the formation width.

Posted Date: 1/22/2013 2:41:27 AM | Location : United States

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