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E18 Muurla–Lohja motorway
A 51.3 km motorway project on Vt 1 between Muurla and Lohja. The developer rounds the two sections to 23 km and 29 km. Muurla–Lahnajärvi opened on 19 November 2008, and Lahnajärvi–Lohja opened on 28 January 2009.
- Total length
- 52 km
- Open today
- 52 km
- Sections
- 2
Cost for the project as a whole
€300Mworks onlyThe Finnish Transport Agency's post-project evaluation reports construction costs of EUR 300 million. No price year is stated.
Category
Highways
Status
Opened
Under construction
Tendered
Planned
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Sections
| Sections | Status | Length | Timeline | Cost | Funding | Contractors | Contract terms |
|---|---|---|---|---|---|---|---|
| Muurla–Lahnajärvi The project developer reports a 23 km section. The OSM line follows one carriageway between junctions 15 and 18 and measures 24.65 km, 7% above the reported length; the sourced figure is retained. | Opened | 23 km |
| – | – | – | – |
| Lahnajärvi–Lohja The project developer reports a 29 km section. The OSM line follows one carriageway between junctions 18 and 22 and measures 31.19 km, 8% above the reported length; the sourced figure is retained. | Opened | 29 km |
| – | – | – | – |
Related projects
Sources
- Finnish Transport Agency: Post-project evaluation of E18 Muurla–Lohjaread Oct 13, 2026
- YIT: E18 Muurla–Lahnajärvi section opens, and Lahnajärvi–Lohja works continueread Oct 13, 2026
- Yle: E18 partially opens, Muurla–Lahnajärvi sectionread Oct 13, 2026
- Yle: E18 motorway open to traffic, Lohja–Lahnajärvi sectionread Oct 13, 2026
- OpenStreetMap: Valtatie 1 route relation 9193462read Oct 13, 2026
Figures last checked against their sources in Oct 13, 2026.