Catalogue of road types for development of the national road network
Road types are defined in response to the need to develop France’s national road network in a coherent way, and to have road characteristics that are readable by users and that offer a good level of safety.
This document constitutes the new Catalogue of Road Types for Development of the National Road Network. For each of the eight road types, it offers a description sheet giving details of the uses, the technical characteristics and the expected performances / impacts. It also proposes a method to help select a road type, for use during road suitability studies.
This work is intended for project owners of a variety of types of road project: development of existing roadways (localised or extensive roadwork) or creating new infrastructure.
It has “instruction” status for the national road network, as conferred by the technical report of 1 October 2018. It can be used by the local authorities for developing projects on their own structural network.
Technical note
Introduction
Part 1 - Road infrastructure families
- Major roads
- Urban structuring roads
- Secondary roadss
- Urban road networks
Part 2 - Road types
- Grouping
- Standard description
- Major roads
Type 1 - Motorway-like roads
Type 2 - Single-lane dual carriageways with grade-separated junctions
Type 3 - Roads with separate carriageways and at-grade junctions
Type 4 - Roads with a two-way single carriageway and at-grade junctions - Urban structuring roads
Type 5 - Motorway-like urban structuring roads
Type 6 - Urban arteries with grade-separated junctions
Type 7 - Urban arteries with separate carriageways and at-grade junctions
Type 8 - Urban arteries with a two-way single carriageway
Part 3 - Methods and selection criteria
- Overview and principles
- Method
Scenario 1. Localised or limited-scope development on an existing road
Scenario 2. New infrastructure creation
Scenario 3. Development of an existing road - Selection criteria
Environment in which the infrastructure will be either constructed (new) or developed (existing)
The function of the road in terms of travel/journeys
Service level for the user
Road capacity
Investment cost - Multi-criteria analysis
Acronyms and abbreviations
Glossary
Annexes
- Appendix 1 - Comparison of the 2018 and 1991 catalogues
- Appendix 2 - Main technical reference document to apply, depending on the road type
- Appendix 3 -Traffic levels, depending on the road type
Bibliography
