| Finnish national road 12 | |
|---|---|
| Valtatie 12, Riksväg 12 | |
| Route information | |
| Maintained by the Finnish Road Administration | |
| Length: | 339 km (211 mi) |
| Major junctions | |
| From: | Rauma |
| To: | Kouvola |
| Location | |
| Major cities: | Tampere, Lahti |
| Highway system | |
| Highways in Finland | |
Finnish national road 12 (Finnish: Valtatie 12; Swedish: Riksväg 12) is a highway in Finland between Rauma and Kouvola via Huittinen, Tampere and Lahti. The road is 339 kilometres (211 mi) long.
The route of the road is: Rauma – Eura – Köyliö – Kokemäki – Huittinen – Sastamala – Nokia – Tampere – Kangasala – Pälkäne – Hämeenlinna – Hämeenkoski – Hollola – Lahti – Nastola – Orimattila – Nastola (again) – Iitti – Kouvola.