
| 1st quarter 2021 | Change in per cent | ||
|---|---|---|---|
| 4th quarter 2020 - 1st quarter 2021 | 1st quarter 2020 - 1st quarter 2021 | ||
| Road construction, total | 181.0 | 2.6 | 2.6 |
| Open air roads | 179.0 | 2.1 | 1.5 |
| Concrete bridges | 187.5 | 4.2 | 5.5 |
| Rock tunnels | 179.7 | 2.5 | 2.6 |
| Maintenance of roads, total | 184.0 | 3.4 | 2.6 |
| Asphalt work | 199.7 | 7.7 | 1.9 |
| Maintenance in wintertime | 175.1 | 2.0 | 3.5 |