Interurban motorways
Some unit costs
Interurban motorways

Average costs of two-lane dual carriageways (January 1997)

Work site

Cost per km
Plain F 32 million
Slightly undulating region F 38 million
Hilly or mountainous region F 108 million
Urban toll-free motorways
Site Average cost per km
Major Ile-de-France project (Greater Paris area) F 540 million
Other urban areas:

- 2-lane dual carriageway

- dual carriageway with 3 or more lanes

 

  

F 85 million

F 120 million

 
National roads
 
The Provinces  
2-lane road F 16 million
3-lane road F 21 million
4-lane road or 2-lane dual carriageway F 30 million
5-lane road or 3-lane dual carriageway F 38 million
Greater Paris Area  
2- or 3-lane carriageway F 60 million
Dual carriageway with 2 or more lanes F 120 million

 
Maintenance

Annual average cost per sq. metre of preventive pavement maintenance (on toll-free network)

Urban expressways
Motorway-type carriageways
Other major roads
National interurban roads
Ordinary national roads
Link roads		 F 10/m2
F 7.50/m2
F 5/m2
F 4.50/m2
F 3.50/m2
F 6/m2