
| 1st quarter 2019 | Change in per cent | ||
|---|---|---|---|
| 4th quarter 2018 - 1st quarter 2019 | 1st quarter 2018 - 1st quarter 2019 | ||
| Road construction, total | 174.2 | 0.9 | 3.3 |
| Open air roads | 173.8 | 0.2 | 3.0 |
| Concrete bridges | 176.8 | 1.7 | 2.9 |
| Rock tunnels | 172.5 | 2.4 | 4.7 |
| Maintenance of roads, total | 174.8 | -0.5 | 3.5 |
| Asphalt work | 196.8 | -3.7 | 4.2 |
| Maintenance in wintertime | 163.3 | 0.9 | 3.6 |