Statistics Norway

Construction cost index, road constructions. Weights by type of
construction, cost elements and material groups. Per cent
Cost elements Type of construction
Road constructions, total1 Open roads Rock tunnel Concrete bridge
Total  100.0  100.0  100.0  100.0
Labour costs 35.6 33.0 33.3 44.7
Machinery 19.1 24.5 14.9 8.4
Transport 7.3 7.8 10.7 2.8
Materials, total 30.5 29.0 33.5 31.9
Gravel and crusher 6.0 9.3 1.5 1.1
Reinforcement 2.4 0.3 2.2 8.3
Steel profiles 1.8 1.7 0.1 3.4
Other steel products 1.3 0.3 4.7 1.2
Concrete 4.9 0.4 10.4 12.1
Concrete products 2.2 2.6 0.6 2.4
Bitumen 2.3 3.5 0.4 0.5
Explosives 2.5 2.1 6.7 0.1
Other materials 7.1 8.8 6.9 2.8
Other costs2 7.5 5.7 7.6 12.2
Construction cost index for maintenance of roads. Weights by
types of work, cost elements and material groups. Per cent
Cost elements Type of work
Maintenance of roads, total3 Asphalt work Maitenance in wintertime
Total  100.0  100.0  100.0
Labour costs 32.1 20.8 12.2
Machinery 15.0 15.1 19.4
Transport 26.1 11.2 57.5
Materials, total 21.1 48.0 10.3
Gravel and crusher 5.3 17.5 3.5
Steel profiles 0.9 - -
Other steel products 0.1 - -
Concrete products 0.3 0.1  
Bitumen 5.7 23.1  
Salt 1.9 - 6.8
Other materials 6.9 7.3 -
Other costs2 5.7 4.9 0.6
1  The type of road constructions are weighted as follows: Open air road 59 p.c., Rock
tunnel 19 p.c. and Concrete bridge 22 p.c.
2  Administrativ and operativ costs are not includeed in the elements below. Such as
renting of workmen's shed, electricity, phone, assurance etc.
3  Asphalt works and winter maintenance are included with respectively 24 and 28 per cent.

Explanation of symbols