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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
Setting up junctions
Bibliography
Websites
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CERTU – Center for studies on networks, transport, urban planning and construction
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ENTPE – École nationale des Travaux Publics de l'État
Regulations
Law no. 96-1236 of December 30, 1996 on air and the rational use of energy.
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Decree no. 2010-1390 November 2010. Various road safety measures amending the following articles :
article R 110-2 ;
article R 431-9 ;
article R 414-4.
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