Data to be considered in projects
Roads - Geometry of roads
Article REF: C4310 V1
Data to be considered in projects
Roads - Geometry of roads

Author : Jean BERTHIER

Publication date: August 10, 2011, Review date: September 5, 2023 | Lire en français

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2. Data to be considered in projects

The definition of the road's geometric characteristics presupposes the prior selection of a certain number of basic data, the most essential of which are as follows:

  • traffic ;

  • project speed ;

  • stopping distances, overtaking distances and visibility.

2.1 Traffic

The level of traffic is the main factor to be taken into account when defining the cross-section of the roadway and, more generally, when choosing the type of layout to be selected. However, it covers a complex reality.

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