ICNEA 4812—Highway engineering construction

Where 4812 sits

1. E Construction industry
2. 48 Civil engineering construction industry
3. 481 Railway, road, tunnel and bridge engineering buildings
4. 4812 Highway engineering construction

What 4812 includes

• Refers to engineering services such as highway foundation, piling, building masonry, paving, concrete, etc.
• Including construction activities for the following highway projects：
• Highway engineering services: highway subgrade engineering services, highway pavement engineering services, and other highway engineering services;
• Highway engineering facilities: highway engineering facilities, non-highway engineering facilities, highway tunnel engineering facilities, highway bridge engineering facilities, highway toll station engineering facilities, parking lot engineering facilities, and other highway engineering facilities.

What 4812 excludes

• The maintenance of urban roads, bridges, and tunnels is included in 7810 (Management of municipal facilities);
• The maintenance of non-urban roads, bridges, and tunnels is included in 5443 (Highway management and maintenance).

4812 in other systems