3. Geometric characteristics in running section
The geometry of a road in a running section is fundamentally characterized by three concepts which we will explain in this section:
cross-section ;
Longitudinal profile ;
plan layout.
3.1 Cross-section
This is a cross-section of the roadway and its appurtenances.
The nomenclature of terms used is shown in figure 1 for freeways and single carriageways.
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Geometric characteristics in running section
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