Roads
The sound source „Road“ is radiating to all sides as long as the option „Self-Screening“ is not activated (see Common Input Data, Self-Screening).

Radiation from sound source „Road“, relative height 0 m (for RLS-90)
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| Radiation from sound source „Road“, relative height 10 m, option „Self-Screening“ deactivated |
Radiation from sound source „Road“, relative height 10 m, option „Self-Screening“ activated |
The object „Road“ may have different values at each polygon point for the following parameters:
- the road’s cross section or width (see Common Input Data, Specification of Road Width)
- the lateral slope (see Common Input Data), and
- the height (see Object’s Geometry).
The command Parallel Object (see manual „Introduction to CadnaA“) on the context menu of a road enables to generate barriers, embankments, or contour lines at a specified distance parallel to the road’s axis or to generate station marks into the direction of the road using the command Generate Station (see manual „Introduction to CadnaA“).

Commands on the context menu of the object „Road“
The parameters of a road are entered in edit mode on the dialog Road that opens when double-clicking on the road’s centre line.
Note
The subsequent chapters are specific for each standard or guideline available in CadnaA. These specifications do not represent a copy of the standardized procedures, rather the way they are implemented.

