What is cross section in road design?
A roadway cross section is a vertical section of the ground and roadway at right angles to the centerline of the roadway, including all elements of a highway or street from the right-of-way line (lanes, shoulders, retaining walls, curbs, medians, pavement structure, roadside slopes, ditches, bike lanes and sidewalks).
What is Foreslope and Backslope?
Definition: The sideslope (foreslope or backslope) on left side of roadway immediately adjacent to the travel lane, shoulder edge or drainage ditch in direction of inventory.
What is the side of the road called?
Shoulder
Shoulder (road), a reserved area alongside the verge of a road or motorway. Sidewalk, also known as a pavement or footpath.
What does horizontal clearance mean?
What is the definition of horizontal clearance? Horizontal clearance is the lateral offset distance from the edge of the traveled way, shoulder or other designated point to a vertical roadside element.
What is L section and cross section of road?
Longitudinal Section. A Long Section is a profile view of a surface along a particular route, which plots elevation against the distance along the route e.g ground profile along the center line of a road, railway or river. In a long section, elevations are determined along a fixed route. Cross Section.
What is the meaning of Backslope?
The backslope is defined as the slope from the toe of ditch to the top of slope on the backside of the ditch. The AASHTO Roadside Design Guide uses the terms foreslope and backslope for these slopes. Vehicles on these slopes are expected to reach the bottom of the slope.
What is a Foreslope on road?
Foreslope means the sloping surface of an embankment, ditch, or borrow pit of which the downward inclination is away from the traveled way.
What is the shoulder of a highway called?
A shoulder, hard shoulder or breakdown lane, is an emergency stopping lane by the verge of a road or motorway, on the right side in countries which drive on the right, and on the left side in countries which drive on the left.
What is another word for side road?
What is another word for side road?
| laneway | alley |
|---|---|
| back road | road |
| way | street |
| track | thoroughfare |
| trail | footpath |
What is bridge clearance?
Vertical clearance is the critical height under a structure that will accommodate vehicular and rail traffic based on its design characteristics. This height is the least height available from the lower roadway surface (including usable shoulders) or the plane of the top of the rails to the bottom of the bridge.
What is vertical clearance?
Vertical clearance means the minimum specified height of a bridge or overhead projection above the roadway. An example of a vertical clearance is the distance from the surface of a roadway to the bottom of a bridge structure which spans the roadway.
What is formation width of highway embankment?
Formation width:- Formation width is the top of width of the highway embankment excluding the side drains. Sr. No.
What are the basic elements of cross section of road?
Basic Elements of Cross Section of Roads 1 Width of carriageway (including no. of lanes) 2 Central reservation (or median strip) 3 Shoulders 4 Camber of the carriageway (cross slope) 5 Side-slopes of cuttings and embankments
How can we prevent ribbon development along highways?
To prevent ribbon development along highways, control lines and building lines may be provided. Control line is a line which represents the nearest limits of future uncontrolled building activity in relation to a road. Building line represent a line on either side of the road, between which and the road no building activity is permitted at all.
What is a longitudinal transition embankment foundation?
The longitudinal transition embankment foundation condition is encountered where the alignment places the embankment alongside a hillside or where an existing embankment is to be widened. The newly placed fill tends to slide down the slope of the hillside or the existing embankment.