PIARC Dictionary

Technical Dictionary of Road Terms

validated by the members of the Technical and Terminology Committees of PIARC.

Reference languages: English and French.
May 2012 1,756 concepts, of which about 1,100 with a definition.
Available 100 % in English, Dutch and French and over 85 % in Czech, Estonian, German, Norwegian, Portuguese, Spanish and Ukrainian.
Partly available in Arabic, Chinese, Greek, Hungarian, Italian, Japanese, Persian, Romanian, Russian, Serbian and Vietnamese.

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Themes

1-0-0 Types of Roads
2-0-0 Design and Geometry
3-0-0 Traffic and Transport
4-0-0 Intersections
5-0-0 Components of the Road
6-0-0 Drainage
7-0-0 Auxiliary Works and Accessories
8-0-0 Structure of the Pavement
9-0-0 Materials
10-0-0 Construction
11-0-0 Quality, Faults and Tests
12-0-0 Structures
13-0-0 Maintenance, Winter Maintenance and Management
14-0-0 Economics and Finance
15-0-0 Tunnels
16-0-0 Environment, Nuisance, Accidents